1. Bell Ringer Period 1 Put belongings away Hw Due Thursday, Test Friday
YOU WILL BE CALLED ON. REVIEW YOUR NOTES FOR THE FOLLOWING THIS:
Components of blood
Functions of blood
Vessels

2. The Heart and the Pathway of Blood

3. The Heart (General Overview)
The Heart acts as a perpetual pump pushing blood through vessels
A bit larger than one’s fist in size
Beats about 100,000 times per day
Circulates 5-7 liters in 1 minute
Pumps about 1 million gallons in a lifetime

4. Looking at the Heart
Whenever you are looking at the heart it is ALWAYS FROM RIGHT TO LEFT
IMAGINE YOU ARE LOOKING AT YOUR OWN HEART

5. Inside your Heart The Heart is made up of Chambers
Upper chambers are called Atriums
Lower chambers are called Ventricles

6. Our circulatory system is a double loop circulatory system.
This means it has two parts parts.
Lungs
Body cells
the left side of the system
deals with oxygenated blood.
Left Ventricle pumps 02-rich blood Towards Body Cells
the right side of the system
deals with deoxygenated blood.
Delivers blood to lungs to get 02

7. Two Systems of Circulation
Pulmonary circulation: between heart and lungs (exchange gasses)
Systemic circulation: between heart and rest of body cells (gas, nutrient, and waste exchange)

8. The Heart Septum prevents mixing of oxygenated and deoxygenated blood
Left Ventricle
Left Atrium
Right Atrium
Right Ventricle
valve
Vein from Lungs
Artery to Head and Body
Artery to Lungs
Vein from Head and Body
Septum prevents mixing of oxygenated and deoxygenated blood
Divides Heart

10. Bell Ringer A B Put belongings away Hw Due Thursday, Test Friday
On A piece of paper answer the following questions:
Name a FUNCTION of Blood
Which Component of blood transports Oxygen?
How many chambers are in the heart? What are the upper chambers called? Lower Chambers?
Is A or B the left side of the heart above?
The left side of the heart contains oxygenated or deoxygenated blood?