1. The Circulatory System
Human Body Unit
Part VII/XIII
The Circulatory System

2. NGSS 3-5
NGSS MS

3. Thinking about the circulatory system, what must go
Into the body and what must come out?

4. New Area of Focus: The Circulatory System
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5. Circulatory System: Delivers food and oxygen to the body and carries carbon dioxide and other waste products away.
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6. “Also called the cardiovascular system.”
Circulatory System: Delivers food and oxygen to the body and carries carbon dioxide and other waste products away.
“Also called the cardiovascular system.”
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7. Consists of the following-
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8. Consists of the following
Heart
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9. Notes
HEART

10. Consists of the following
Heart
Blood Vessels
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11. Notes
BLOOD VESSELS
HEART

12. Consists of the following
Heart
Blood Vessels
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13. Consists of the following
Heart
Blood Vessels
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14. Consists of the following
Heart
Blood Vessels
Blood
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15. Notes
BLOOD VESSELS
BLOOD
HEART

16. Consists of the following
Heart
Blood Vessels
Blood
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20. The network of blood vessels in your body is so large,
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21. The network of blood vessels in your body is so large, that if unraveled,
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22. The network of blood vessels in your body is so large, that if unraveled,
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23. The network of blood vessels in your body is so large, that if unraveled, it could encircle the earth twice.
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24. The network of blood vessels in your body is so large, that if unraveled, it could encircle the earth twice.
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25. The Heart is the motor that pumps blood through your body.
The network of blood vessels in your body is so large, that if unraveled, it could encircle the earth twice.
The Heart is the motor that pumps blood through your body.
Copyright © 2010 Ryan P. Murphy

26. Remember cardiac muscles!
The network of blood vessels in your body is so large, that if unraveled, it could encircle the earth twice.
Remember cardiac muscles!
Copyright © 2010 Ryan P. Murphy

27. The Heart is the motor that pumps blood through your body.
The network of blood vessels in your body is so large, that if unraveled, it could encircle the earth twice.
Remember cardiac muscles!
The Heart is the motor that pumps blood through your body.
Copyright © 2010 Ryan P. Murphy

30. Your heart pumps about 2,000 gallons of blood through your body a day.
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31. Your heart beats… 35,000,000 times a year 350,000 times a year
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32. Your heart beats… 35,000,000 times a year 350,000 times a year
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33. The function of the circulatory system.-

34. The function of the circulatory system.
To deliver food and oxygen to cells. -

35. The function of the circulatory system.
To deliver food and oxygen to cells.
To carry away waste. -
CO2

36. The function of the circulatory system.
To deliver food and oxygen to cells.
To carry away waste.
To aid in disease prevention. -

37. The function of the circulatory system.
To deliver food and oxygen to cells.
To carry away waste.
To aid in disease prevention.
To deliver chemical messages (hormones).

38. By delivering food and oxygen to cells and carrying waste products away, the circulatory system maintains a state of homeostasis in your body.
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39. By delivering food and oxygen to cells and carrying waste products away, the circulatory system maintains a state of homeostasis in your body.
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40. By delivering food and oxygen to cells and carrying waste products away, the circulatory system maintains a state of homeostasis in your body.
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41. What happens to the blood when the heart beats?
The beating PUSHES blood through the blood vessels.

42. Video Link! Khan Academy (Advanced)
The Circulatory System (15 min) ◊◊
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43. The circulatory system
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44. The circulatory system
Powered by the heart.
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45. The circulatory system
Powered by the heart.
Blood carries food, oxygen, waste, chemical messages.
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46. The circulatory system
Powered by the heart.
Blood carries food, oxygen, waste, chemical messages (hormones).
Blood vessels provide the paths of travel and have unique structures.
Copyright © 2010 Ryan P. Murphy

47. The circulatory system
Powered by the heart.
Blood carries food, oxygen, waste, chemical messages.
Blood vessels provide the paths of travel and have unique structures.
Copyright © 2010 Ryan P. Murphy

48. The circulatory system
Powered by the heart.
Blood carries food, oxygen, waste, chemical messages.
Blood vessels provide the paths of travel and have unique structures.
Copyright © 2010 Ryan P. Murphy

49. In the circulatory system,
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50. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen.
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51. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen.
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52. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen.
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53. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen.
Copyright © 2010 Ryan P. Murphy

54. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen.
Copyright © 2010 Ryan P. Murphy

55. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen.
Copyright © 2010 Ryan P. Murphy

56. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart,
Copyright © 2010 Ryan P. Murphy

57. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart,
Copyright © 2010 Ryan P. Murphy

58. Got oxygen from air in lungs
As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart,
Got oxygen from air in lungs
Copyright © 2010 Ryan P. Murphy

59. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart, and then gets pumped to the body.
Copyright © 2010 Ryan P. Murphy

60. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart, and then gets pumped to the body.
Copyright © 2010 Ryan P. Murphy

61. As the body uses oxygen (cellular respiration) the blood becomes depleted in oxygen. It then travels to the heart, which pumps it to the lungs to get oxygen. The blood heads back to the heart, and then gets pumped to the body.
Copyright © 2010 Ryan P. Murphy

62. Copyright © 2010 Ryan P. Murphy

63. Where does blood flow first?
Second
Third
Last
Where does blood flow first?
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64. First
Second
Third
Last
Where next? 1
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65. First
Second
Third
Last
Third? 1 2
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66. Where must blood return after all the oxygen is gone?
First
Second
Third
Last
Where must blood return after all the oxygen is gone? 1 3 2
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67. First
Second
Third
Last
Answer 4 1 3 2
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68. Human Heart: Important organ that provides a continuous circulation of blood.
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69. Human Heart: Important organ that provides a continuous circulation of blood.
Copyright © 2010 Ryan P. Murphy

70. L O R D

71. L
eft O R D

72. L
eft O
xygenated R D

73. L
eft O
xygenated R
ight D

74. L
eft O
xygenated R
ight D
eoxygenated

75. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers:
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76. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria
Copyright © 2010 Ryan P. Murphy

77. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles.
Copyright © 2010 Ryan P. Murphy

78. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles. Two Pumps, not one.
Copyright © 2010 Ryan P. Murphy

79. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles. Two Pumps, not one. 1
Copyright © 2010 Ryan P. Murphy

80. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles. Two Pumps, not one. 2
Copyright © 2010 Ryan P. Murphy

81. Human Heart: Important organ that provides a continuous circulation of blood.
It is divided into four chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles. Two Pumps, not one. 1 2
Copyright © 2010 Ryan P. Murphy

82. Function of the Chambers
2 Atria- receive blood that comes to the heart.
2 Ventricles – pump blood out of the heart

83. Valves
Flap of tissue that prevents blood from flowing backward.

84. What force pushes blood out of heart and into arteries?
Contraction of the ventricles

85. How the Heart Works Animation

86. Bright Red Oxygen Rich Dark Red / Maroon Needs Oxygen
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87. Bright Red Oxygen Rich Dark Red / Maroon Needs Oxygen
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88. Bright Red Oxygen Rich Dark Red / Maroon Needs Oxygen
Copyright © 2010 Ryan P. Murphy

89. Video Link (Optional) Circulation Song
Can be played as music during the simulation that is explained on the next set of slides.
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90. Picture of artificial heart that can be used to replace a faulty heart.
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91. Picture of artificial heart that can be used to replace a faulty heart.
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92. Picture of artificial heart that can be used to replace a faulty heart.
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93. Circulatory System Available Sheet.

94. Activity! Step by step drawing of a heart.
Please put in the middle of a whole page. Only make sketch the size of your fist so that labeling can occur in the margins.
Copyright © 2010 Ryan P. Murphy

95. And a real heart looks like…
Activity! Step by step drawing of a heart.
Please put in the middle of a whole page. Only make sketch the size of your fist so that labeling can occur in the margins.
And a real heart
looks like…
Copyright © 2010 Ryan P. Murphy

96. The actual heart is a bit more confusing so the sketch will simplify things.

97. The actual heart is a bit more confusing so the sketch will simplify things.

98. The actual heart is a bit more confusing so the sketch will simplify things.
See virtual hearts at… or visit the iPad application

99. Copyright © 2010 Ryan P. Murphy

100. Copyright © 2010 Ryan P. Murphy

101. Copyright © 2010 Ryan P. Murphy

102. Copyright © 2010 Ryan P. Murphy

103. Copyright © 2010 Ryan P. Murphy

104. Copyright © 2010 Ryan P. Murphy

105. Copyright © 2010 Ryan P. Murphy

106. Copyright © 2010 Ryan P. Murphy

107. Copyright © 2010 Ryan P. Murphy

108. Copyright © 2010 Ryan P. Murphy

109. Copyright © 2010 Ryan P. Murphy

110. Copyright © 2010 Ryan P. Murphy

111. Lightly shade blue and red
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112. Copyright © 2010 Ryan P. Murphy

113. Copyright © 2010 Ryan P. Murphy

114. Copyright © 2010 Ryan P. Murphy

115. L O R D
Copyright © 2010 Ryan P. Murphy

116. L
eft O R D
Copyright © 2010 Ryan P. Murphy

117. L
eft O
xygenated R D
Copyright © 2010 Ryan P. Murphy

118. L
eft O
xygenated R
ight D
Copyright © 2010 Ryan P. Murphy

119. L
eft O
xygenated R
ight D
eoxygenated
Copyright © 2010 Ryan P. Murphy

120. Copyright © 2010 Ryan P. Murphy

121. Superior
Vena Cava
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122. Superior
Vena Cava
From Body
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123. Superior Vena Cava Inferior Vena Cava From Body
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124. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava From Body
Copyright © 2010 Ryan P. Murphy

125. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
Copyright © 2010 Ryan P. Murphy

126. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
Copyright © 2010 Ryan P. Murphy

127. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
Copyright © 2010 Ryan P. Murphy

128. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
Right Ventricle
Copyright © 2010 Ryan P. Murphy

129. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

130. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

131. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

132. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
Semilunar valves
Superior
Vena Cava
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

133. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
Semilunar valves
Superior
Vena Cava
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

134. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
Semilunar valves To
Lungs
Superior
Vena Cava
From Body
Right Atrium CO2
Inferior Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

135. Superior Vena Cava Right Atrium CO2 Inferior Vena Cava Tricuspid Valve
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Inferior
Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

136. Superior Vena Cava Right Atrium CO2 Left Atrium O2 Inferior Vena Cava
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

137. Superior Vena Cava Right Atrium CO2 Left Atrium O2 Inferior Vena Cava
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

138. Left Ventricle Superior Vena Cava Right Atrium CO2 Left Atrium O2
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

139. PUMP Left Ventricle Superior Vena Cava Right Atrium CO2 Left Atrium O2
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
PUMP
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

140. Left Ventricle Superior Vena Cava Right Atrium CO2 Left Atrium O2
To Lungs
Semilinuar Valves
Superior
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

141. Left Ventricle Superior Vena Cava Right Atrium CO2 Left Atrium O2
To Lungs
Semilinuar Valves
Superior
Artioventricular valve
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

142. Left Ventricle Superior Vena Cava Right Atrium CO2 Left Atrium O2
To Lungs
Semilinuar Valves
Superior
Artioventricular valve
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

143. Aorta Left Ventricle Superior Vena Cava Right Atrium CO2
To Lungs
Semilinuar Valves
Aorta
Superior
Artioventricular valve
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy

144. Aorta Left Ventricle Superior Vena Cava Right Atrium CO2
To Body
To Lungs
Semilinuar Valves
Aorta
Superior
Artioventricular valve
Vena Cava
Pulmonary Veins
From Body
Right Atrium CO2
Left Atrium O2
Inferior
Vena Cava
Mitral Valve (Bicuspid)
Left Ventricle
Tricuspid Valve
(Pump)
Right Ventricle
Copyright © 2010 Ryan P. Murphy