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True or False Your circulatory system delivers oxygen throughout your body because cells need it for...

True or False

Your circulatory system delivers oxygen throughout your body because cells need it for __cellular respiration____

Hormones are released by the ____endocrine system

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Answer #1

1. True. Explanation- Our circulatory system contains blood that carries oxygen which binds to hemoglobin. Blood delivers oxygen to the cells so that they can carry out cellular respiration and carries carbon dioxide from them. The release of oxygen and intake of carbon dioxide by blood is due to change in partial pressure values of the gasses at different places of the body.

2. True. Explanation- Endocrine system consists of glands that synthesize hormones in very small amounts and release it into the bloodstream to reach the target cells. Endocrine glands don't possess ducts. Whereas, exocrine glands secrete several substances that reach at the target cells via specific ducts.

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