Sperm mature in the:
A) seminiferous tubules.
B) seminal vesicles.
C) epididymis.
D) ejaculatory duct.
C
Explanation: A) The seminiferous tubules are the site for the development of sperm cells.
B) Seminal vesicles add fluid to the semen.
C) Correct.
D) The ejaculatory duct carries sperm to the urethra.
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dyslexia : Reading handicap with a neurological cause in which the brain ______ the order of some letters and numbers
Fill in the missing word in the definition for the key term.
After performing research on cells isolated from chickens that have the genetic trait of muscular dystrophy, a researcher performs a study on 300 young people with muscular dystrophy. He is evaluating the effect of a particular drug on the condition. Which is the correct statement?
A. This is an example of an in vitro study. B. This is an example of an in vivo study. C. This is an example of a case study. D. This is an example of secondary research.
Leukemias and lymphomas are cancers of the:
A) lymphatic tissue and blood-forming organs. B) skin. C) bladder. D) brain.
The health care provider explains that insulin is secreted when blood sugar levels are ________.
Fill in the blank(s) with the appropriate word(s).