1. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
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2. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Objectives:
Describe the structures of the skeletal system and their functions.
Explain how the muscular system functions.
Describe how the human body respires.
Describe how nutrients and oxygen are obtained and transported through the human body.
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3. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Warm up:
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4. What forms your skeletal system?
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
What forms your skeletal system?
1- Bones.
2- Cartilage.
3- ligaments.
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5. 1-Bones: Bones are organs that : 1- Support the body.
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
1-Bones:
Bones are organs that :
1- Support the body.
2- Protect the internal body parts.
3-Allow movement.
4- Store minerals(calcium) in
the outer layer.
5- Make blood cells in the spongy
inner layer which is called marrow.
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6. 2- Cartilage: 3- Ligaments: Cartilage cushions the ends of
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
2- Cartilage:
Cartilage cushions the ends of
bones and forms flexible parts
such as your ears and nose.
3- Ligaments:
The place where two or more
bones meet is called a joint.
Ligaments connect bones at joints.
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7. Exit slip1: (active reading sheet)
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Exit slip1: (active reading sheet)
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8. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Joints:
Some joints, like those in the skull, don’t move. Other joints allow movement.
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9. Types of Joints: 1-Ball-and-Socket Joints : allow circular movement,
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Types of Joints:
1-Ball-and-Socket Joints :
allow circular movement,
like the joint in your shoulder.
2-Hinge Joints:
allow back-and-forth movement,
like the hinge in your knee.
3-Pivot Joints:
allow rotation from side to side,
like the joint in your neck.
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10. Active reading: Word bank: 3- Back and forth movement.
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Active reading:
Word bank:
Back and forth movement.
Movement in a complete circle
Side to side and rotational movement.
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11. What makes up our Muscular System?
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
What makes up our Muscular System?
Muscles are organs that contract to produce movement in the body.
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12. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Types of Muscles :
There are three types of muscles in the muscular system.
1- The heart is made of one type.
2- The walls of blood vessels and organs
are made of another type of muscle.
3- A third type, the skeletal muscle,
pulls bones to help us move.
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13. What controls our Muscles?
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
What controls our Muscles?
Muscle movement can be involuntary or voluntary.
Involuntary movements:
-Happen without thinking about them, like your heart beating.
Voluntary movements:
-Can be controlled, such as running and playing.
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14. Exit slip: Word Bank: - Heart muscle - -help to move
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Exit slip:
Word Bank:
- Heart muscle help to move
Organ muscles pump blood
skeletal muscles controls how
materials pass through them
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15. How do muscles work? Tendons are strong bands of
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
How do muscles work?
Tendons are strong bands of
tissues that connect skeletal muscles
to bones.
Muscles often work in pairs.
When one muscle contracts, the
other muscle in the pair relaxes.
The contracting muscle moves the bone that it’s attached to.
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16. Exit: Choose: Bend - straighten
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Exit:
Choose:
Bend -
straighten
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17. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Exit:
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18. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Breathe In, Breathe Out
Organs in the respiratory system bring in oxygen and release carbon dioxide.
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19. Respiratory System: 1-Nose:
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Respiratory System:
1-Nose:
Air enters the body through the nose or mouth.
2-Trachea:
-Air flows through a tube in the throat called the trachea.
3-Bronchi:
-The trachea branches into two smaller tubes called bronchi
4-Lungs:
- The main organs of the respiratory system, are spongy organs that expand to fill with air.
5-Bronchioles:
-Bronchi branch into many bronchioles in the lungs.
6-Alveoli:
-Tiny sacs called alveoli are attached to bronchioles. They inflate and deflate as you inhale and exhale.
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20. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Breathe In, Breathe Out
Red blood cells in the alveoli absorb oxygen. Identify the blood vessels and alveoli.
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21. Exit slip: (brain check no.2)
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Exit slip: (brain check no.2)
Word bank:
Bronchi
Alveoli
Trachea
Bronchioles
Carbon dioxide
oxygen
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22. Asthma Attack Constricted Airways Asthma is an illness that
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Asthma Attack
Constricted Airways
Asthma is an illness that
makes it hard for a person
to breathe.
During an asthma attack,
bronchi become swollen,
making airways smaller.
This makes it much harder to get air in and out of the lungs.
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23. Asthma Attack Management Triggers
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
Asthma Attack
Triggers
Management
People can try to avoid asthma triggers; however, people can’t always avoid pollen or air pollution.
A doctor can prescribe an inhaler, a device that delivers medication to the lungs. The inhaler releases a mist that can help open up airways.
The exact causes of asthma aren’t known.
Some people are born with asthma, while for other people, smoke, air pollution, and allergies can trigger an asthma attack.
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24. Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
What pumps your blood?
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25. What makes up your circulatory system?
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
What makes up your circulatory system?
1-The Heart :
-It is a muscular organ that pumps blood throughout the body.
-It contracts in two phases.
When the top part relaxes,
it fills with blood. When it contracts,
this top part squeezes blood to the
lower part.
When the lower part contracts,
it squeezes blood from the heart into
vessels and all parts of the body.
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26. 2-The Blood : Blood is made up of a clear
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
2-The Blood :
Blood is made up of a clear
liquid called plasma and small
structures called blood cells.
Red blood cells carry oxygen
throughout the body.
White blood cells help fight
disease.
Platelets stop bleeding by
forming clots.
Plasma carries nutrients
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27. 3-The Vessels: Arteries: - carry blood away from the heart. Veins:
Unit 3 Lesson 4 How Do Our Bodies Move, Breathe, and Circulate Blood?
3-The Vessels:
Arteries:
- carry blood away from the heart.
Veins:
- bring blood back to the heart from the lungs and the body.
Capillaries:
- Oxygen, nutrients, and carbon dioxide pass through capillaries, or tiny vessels with very thin walls, to parts of the body and into the blood.
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