Which of the following statements is true about osteoporosis??
A) ?It is characterized by bowlegs.
B) ?It is a degenerative joint disease.
C) ?There is low bone mass and structural deterioration.
D) ?Rheumatologists are taking an integrative medicine approach.
C
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Secondary spermatocytes undergo the second meiotic division to become ____
a. spermatogonia b. spermatids c. spermatozoa d. primary spermatocytes
What is the mechanism called that pushes blood from the lower veins to the chest veins due to a pressure difference?
a. chest flow b. chest gradient c. chest pump d. respiratory pump e. respiratory gradient
Which organelles contain powerful enzymes that take care of cleaning up intracellular debris and other waste?
A. Ribosomes B. Smooth endoplasmic reticula C. Mitochondria D. Lysosomes
Which of these structures contributes the greatest percentage to semen?
A) bulbourethral glands B) prostate C) corpus spongiosum D) seminal vesicles E) testes