Regular exercise raises levels of high-density lipoproteins (HDLs) in the blood.
Answer the following statement true (T) or false (F)
True
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Neuroendocrine cells are best described as which of the following?
A. They are neurons that regulate secretion by endocrine glands. B. They are neurons that release hormones into the bloodstream. C. They are neurons whose activity is regulated by hormones. D. They are endocrine cells that respond to neurotransmitters. E. They are endocrine cells that have evolved from neurons.
The liver removes all of the following substances except which one?
A. Excess fatty acids B. Excess amino acids C. Excess glucose D. Excess vitamins
In the fetus, blood can flow from the right atrium to the left atrium through the ________.
A. tricuspid valve B. foramen ovale C. ductus arteriosus D. ductus venosus
Which muscle(s) move the hand?
A. brachialis B. brachioradialis C. flexor and extensor D. supinator E. None of the above