Which of the following is not required for arousal to occur?
A) There must be sufficient blood hydrostatic pressure.
B) The sacral spinal cord must be intact.
C) Nitric oxide must be present.
D) Sympathetic stimulation of sacral nerves.
E) Parasympathetic stimulation of pelvic nerves.
Answer: D
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Where is the hypogastric plexus in the figure?
a) J b) K c) D d) F e) N
Innate defenses include mechanical and chemical barriers, whereas adaptive defenses
counter specific disease-causing agents. Indicate whether the statement is true or false
DNA replication is said to be semiconservative because One of each of the daughter strands is newly synthesized, and the other is from the original DNA molecule One of the daughter cells will receive a newly synthesized double helix, and the other will receive the old double helix Each of the daughter cells will receive DNA molecules with some genes from the old strand and other genes from the new strand
What will be an ideal response?
Sperm cells are produced in the ________ and complete maturation in the ________.
A. seminiferous tubules; vas deferens B. seminiferous tubules; prostate gland C. epididymis; testes D. ductus deferens; epididymis E. seminiferous tubules; epididymis