The movement of sperm, testicular fluids, and secretions from the prostate and seminal vesicle into the urethra is known as:
A) ejaculation. B) emission. C) erection. D) expulsion.
Answer: B
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The enlarged coronary vessel outside the heart that empties blood into the right atrium is the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a major hormonal event at the onset of puberty?
A) The hypothalamus decreases its production of GnRH. B) Circulating levels of FSH decrease rapidly. C) Ovarian cells become less sensitive to FSH. D) Testicular cells become less sensitive to LH and FSH. E) Pituitary gland cells become more sensitive to GnRH.
Phasic receptors are rapidly adapting receptors
Indicate whether the statement is true or false
Which cells maintain the blood thymus barrier?
A) T regulatory cells B) natural killer cells C) dendritic cells D) epithelial reticular cells E) memory cells