The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They regulate the temperature of the testes.
B) They contract to allow ejaculation.
C) They contract to push sperm along the ductus deferens.
D) They are responsible for penile erection.
A
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The enzyme __________ breaks down acetylcholine and removes it from the synaptic cleft.
Fill in the blank(s) with the appropriate word(s).
The ________ consists of the follicle cells that cling to the oocyte after ovulation
A) stroma B) corpus albicans C) antrum D) zona pellucida E) corona radiata
Which of the following structures is most like the receptor of a homeostatic control mechanism?
A. The mechanism that opens the automatic door at the local grocery store B. The mechanism that detects a decrease in tire pressure on an automobile C. The heating element of a hot water heater D. All of the choices are correct.
Where is cardiac muscle tissue located?
A) attached to bones B) heart C) tendons and ligaments D) ducts of certain glands