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
Which connective tissue attaches muscle to bone?
A. ligaments B. tendons C. both A and B D. none of the above
A ___________________ is a unit of angular measurement equal to approximately 57.3°. ________________________________________
Fill in the blank(s) with the appropriate word(s).
Cholinergic synapses release the neurotransmitter
A) norepinephrine. B) epinephrine. C) serotonin. D) acetylcholine. E) GABA.