Spermiogenesis involves the ________.
A) formation of four haploid cells from a spermatogonium
B) movement of sperm in the female genital tract
C) formation of a functional sperm by the stripping away of superfluous cytoplasm
D) sequence of events in the rete testis
C) formation of a functional sperm by the stripping away of superfluous cytoplasm
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Polyposis is a small tumor with a pedicle in the mucous membrane of the ________.
A. stomach B. small intestine C. duodenum D. colon
Which of the following molecules is responsible for "runner's high," a good feeling that accompanies long-distance running?
A. Dopamine B. Epinephrine C. Endorphin D. Acetylcholine
The portion of the pericardium that covers the heart wall is called the ________
A) visceral layer (epicardium) B) fibrous pericardium C) parietal layer of the serous pericardium
Which area of the brain monitors conditions within and outside of the body?
a) pituitary gland b) hypothalamus c) pineal gland