In males, the labioscrotal swellings form the
A. scrotum and ventral side of the penis.
B. scrotum and dorsal side of the penis.
C. scrotum and root of the penis.
D. scrotum.
E. scrotum and testes.
Answer: D
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Nociceptors activate ________ pathways that provide protection by allowing rapid responses to noxious stimuli.
Fill in the blank(s) with the appropriate word(s).
Which of the following describes the female pelvis compared to that of the male?
A) The angle of the female pubic arch is smaller. B) The female iliac bones are less flared. C) The obturator foramen is more oval in a female. D) The distance between the female ischial spines is greater.
In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?
A. Spleen; blood vessels; bone marrow B. Bone marrow; spleen; blood vessels C. Bone marrow; blood vessels; spleen D. Spleen; blood vessels; spleen E. Blood vessels; spleen; bone marrow
In the body, inorganic compounds
A) can serve as buffers. B) can make up proteins. C) can make up lipids. D) are structural components of cells. E) are all very large.