When the __________ contracts it flattens, the thorax expands, and air is drawn into the lungs.
Fill in the blank(s) with the appropriate word(s).
diaphragm
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Which of the following releases human chorionic gonadotropin (hCG)?
A) blastocyst B) inner cell mass C) syncytiotrophoblast D) cytotrophoblast
The wall of the left ventricle is thicker than the wall of the right ventricle, which allows the
a. left ventricle to pump much more blood than the right ventricle b. right ventricle to hold more blood than the left ventricle c. left ventricle to pump blood into a higher-resistance, higher-pressure system d. right ventricle to create higher tension within its walls e. left ventricle to pump oxygenated blood,
The neurotransmitter most likely produced when a person uses a drug that creates a sense
of well-being is A) dopamine. B) substance Q. C) enkephalin. D) glutamic acid.
If a needle pierced your forearm, what is the order of epidermal layers the needle would pass through?
A) basale, spinosum, granulosum, corneum B) granulosum, basale, spinosum, corneum C) basale, spinosum, granulosum, lucidum, corneum D) corneum, granulosum, spinosum, basale