This portion of the brain secretes the hormone melatonin, which helps to regulate the body's circadian rhythm.
A. Mammillary body
B. Anterior nucleus
C. Habenular nucleus
D. Paraventricular nucleus
E. Pineal gland
Answer: E
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All of the following occur during exercise except
A) vasodilation occurs at the active skeletal muscles. B) venous return increases. C) both cardiac output and stroke volume increase. D) tissue perfusion to the digestive system decreases. E) angiotensin II is released.
In incomplete dominance, the phenotype of a heterozygote is in between that of either
homozygote. Indicate whether the statement is true or false
What is unique about the brachioradialis muscle of the anterior forearm?
A) The insertion of the brachioradialis is on the humerus. B) The origin of the brachioradialis is on the humerus. C) The brachioradialis muscle acts on the elbow joint. D) The brachioradialis acts as a flexor, while the majority of the superficial layer muscles act as extensors.
Stimulating the proliferation of cytotoxic T cells to destroy cancer cells is an example of
A. immunotherapy. B. immunocompetence. C. tolerance. D. passive artificial acquired immunity. E. passive natural acquired immunity.