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Questions and Answers
Which of the following is NOT a main part of the circulatory system?
Which of the following is NOT a main part of the circulatory system?
- Heart
- Blood vessels
- Blood
- Lungs (correct)
What is the primary function of the heart in the circulatory system?
What is the primary function of the heart in the circulatory system?
- To produce new blood cells
- To pump blood around the body (correct)
- To filter waste products from the blood
- To carry oxygen throughout the body
Which of the following is NOT carried by the blood in the circulatory system?
Which of the following is NOT carried by the blood in the circulatory system?
- Oxygen
- Nutrients (correct)
- Waste products
- Carbon dioxide
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Study Notes
Circulatory System Components
- The circulatory system consists of three main parts: heart, blood vessels, and blood.
Heart Function
- The primary function of the heart is to pump blood throughout the body, supplying oxygen and nutrients to tissues and organs.
Blood Components
- Blood carries oxygen, nutrients, hormones, and waste products throughout the body.
- Blood does NOT carry nerves, as nerves are part of the nervous system, not the circulatory system.
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