The epididymis is a ________ and it ________.
A. compartment that contains seminiferous tubules; ejaculates sperm
B. tightly coiled tube on the outside of the testis; is the location for sperm maturation
C. stage of spermatogenesis; forms two sperm cells and semen
D. compartment inside a testis; secretes testosterone and forms sperm
Answer: B
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The ovary does not release a mature gamete. Instead, a(n) ________ is released.
A) oocyte B) oogonium C) primary oocyte D) secondary oocyte E) zygote
Which of the following statements is NOT true of diffusion?
A. It requires the energy of ATP. B. It is a type of physical transport process. C. It is considered to be a type of passive transport. D. It occurs due to random molecular motion. E. It moves substances from higher to lower concentration.
Urine leaves the renal pelvis and enters the ureter because of
A) contractions of the muscular layers of the renal capsule, which squeeze the kidney. B) opening of valves into the entrance of the ureters, which permits urine to flow through them passively. C) peristalsis of the ureters. D) gravity. E) All of the answers are correct.
The primary target cells for GnRH are located in the
A. anterior pituitary gland. B. hypothalamus. C. genitals. D. adrenal gland. E. gonads.