Contraction of the cremaster muscle is responsible for ________
A) wrinkling of the skin covering the scrotum
B) movement of the testes in response to environmental stimuli
C) secretion of smegma from the prepuce
D) erection of the penis
B
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If I have type a blood this means I have antibodies against
The A antigen the B antigen both a and B antigens neither a or B antigens
What is the correct sequence of organs for the formation and elimination of urine?
A. Bladder, urethra, kidney, ureter B. Kidney, bladder, ureter, urethra C. Kidney, urethra, bladder, ureter D. Kidney, ureter, bladder, urethra E. Urethra, bladder, kidney, ureter
A lumbar puncture is used to analyze what?
A. EEG B. Electric stimuli C. CSF D. Heat
Approximately how many chemoreceptors for taste sensation (taste buds) are present in the oral cavity and throat of a human being?
a. 50,000 b. 10,000 c. 5,000 d. 1,000 e. 500