Urine is carried to the external environment by the ________.
Fill in the blank(s) with the appropriate word(s).
urethra
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If a fetus does not get enough calcium by way of the mother's diet, the fetus will ________.
A. obtain calcium by converting it from other nutrients B. break down its own bones that have developed so far C. be unable to obtain any additional calcium and may not develop properly as a result D. obtain calcium from the mother's bones and teeth, weakening them
A butcher who cuts the distal portion of his fingers may cut the ________ tendon.
A. flexor carpi ulnaris B. flexor pollicis longus C. flexor digitorum profundus D. palmaris longus E. adductor pollicis
a cell replicates its nucleus and then forms two new daughter cells during which phase of the cell cycle?
a) interphase b) second gap phase (G2) c) mitotic phase (M) d) first gap phase (G1) e) synthesis phase (S)
What is the rate-limiting (regulated) step for stimulating the secretion of aldosterone?
A. Secretion of angiotensinogen by the liver B. Secretion of ACTH by the anterior pituitary C. Secretion of angiotensin II by the kidney D. Conversion of angiotensinogen to angiotensin I in the blood E. Conversion of angiotensin I to angiotensin II in the blood