The ________ is a layer of smooth muscle in the skin of the scrotal sac
A) rete testis
B) raphe
C) dartos muscle
D) tunica albuginea
E) cremaster muscle
Answer: C
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In the brain, the outer cerebral cortex consists of gray matter, but in the spinal cord, gray matter is confined to the innermost regions.
Answer the following statement true (T) or false (F)
Prostaglandins play a role in ________.
A) skeletal muscle contraction B) control of blood volume C) noninflammatory responses D) control of blood pressure
Why does our blood pressure generally go up as we age?
A. Our veins get 'hard' and absorb less systolic force B. Our arteries get 'hard' and absorb less diastolic force C. Our veins get 'hard' and absorb less diastolic force D. Our arteries get 'hard' and absorb less systolic force
Action potentials at a chemical synapse
A. travel from presynaptic terminal to postsynaptic membrane. B. travel from postsynaptic membrane to presynaptic terminal. C. travel back and forth from presynaptic terminal to postsynaptic membrane. D. travel from presynaptic terminal to presynaptic membrane. E. stop at the presynaptic terminal and are regenerated on the postsynaptic membrane.