Unit 4. circulatory system
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The circulatory system carries nutrients and oxygen throughout the body via blood vessels and the heart. It is composed of the heart, blood, and blood vessels. The heart pumps blood through the vessels, allowing it to pick up oxygen and drop off waste. As it circulates, blood's pulse can be felt and its rate changes with activity level or rest.
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Unit 4. circulatory system
- 2. How does our circulatory system work? Our circulatory system is a transport system.
- 3. How does our circulatory system work? It carries nutrients from the food and oxygen from the air.
- 4. CIRCULATORYSYSTEM It’s made up of the heart, the blood and the blood vessels. Heart Blood Blood Vessels
- 5. Blood: is a red liquid that goes around the body. CIRCULATORYSYSTEM Blood travels in thin tubes called blood vessels
- 6. 2 Process: CIRCULATORYSYSTEM Pick up/collect nutrient and oxygen Drop off carbon dioxide and waste products
- 7. Heart is a muscle. CIRCULATORYSYSTEM It is in the middle of the chest. It pumps/beats blood to every part of the body.
- 8. If we run our heart beats faster If we have a rest our heart beats slower CIRCULATORYSYSTEM
- 9. 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.
- 10. 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.