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natural Teacher: Merche

Unit 4. circulatory system

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Page 1: Unit 4. circulatory system

natural

Teacher: Merche

Page 2: Unit 4. circulatory system

How does our circulatory system work?

Our circulatory system is a transport system.

Page 3: Unit 4. circulatory system

How does our circulatory system work?

It carries nutrients from the food and oxygen from the air.

Page 4: Unit 4. circulatory system

CIRCULATORY SYSTEM

It’s made up of the heart, the blood and the blood vessels.

Heart Blood Blood Vessels

Page 5: Unit 4. circulatory system

Blood: is a red liquid that goes around the body.

CIRCULATORY SYSTEM

Blood travels in thin tubes called blood vessels

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2 Process:

CIRCULATORY SYSTEM

Pick up/collect nutrient and oxygen

Drop off carbon dioxide and waste products

Page 7: Unit 4. circulatory system

Heart is a muscle.

CIRCULATORY SYSTEM

It is in the middle of the chest.

It pumps/beats blood to every part of the body.

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If we run our heart beats faster

If we have a rest our heart beats slower

CIRCULATORY SYSTEM

Page 9: Unit 4. circulatory system

What’s the pulse?

A person’s heartbeat changes when they do any activity.

The pulse is the small thump you can feel in some parts of the body.

Page 10: Unit 4. circulatory system

What’s the pulse?

A person’s heartbeat changes when they do any activity.

The pulse is the small thump you can feel in some parts of the body.