The ________ nervous system facilitates increased blood flow to the penis by facilitating local release of ________.
A. parasympathetic; norepinephrine
B. sympathetic; norepinephrine
C. parasympathetic; nitric oxide
D. sympathetic; nitric oxide
E. somatic; acetylcholine
Answer: C
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Spermatozoa is the only type of human cell that contains a _____, which is a whip-like structure that helps propel the sperm towards an oocyte
a) cilium b) flagellum c) mitochondria d) centrosome e) microvillus
A ___________________ is a unit of angular measurement equal to approximately 57.3°. ________________________________________
Fill in the blank(s) with the appropriate word(s).
Which connective tissue attaches muscle to bone?
A. ligaments B. tendons C. both A and B D. none of the above
Cholinergic synapses release the neurotransmitter
A) norepinephrine. B) epinephrine. C) serotonin. D) acetylcholine. E) GABA.