Living Things and Their Environment: Humans, Animals, Plants, Heredity, Ecosystems
Back to School Test 2015 - Science Grade 7 / Back to School Test 2015 - Science Grade 7
What is the function of the capillary beds?
It is responsible for exchanging nutrients, waste, and other essential substances.
It is responsible for regulating blood flow within the heart.
It is responsible for pumping blood from an atrium to a ventricle.
It is responsible for dilation and relaxation of blood vessels.
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