The renal medulla is composed of _____, whereas the renal cortex is composed of
_____.
A) renal pyramids; renal corpuscles
B) renal pyramids; ureters from nephrons
C) renal corpuscles; nephron loops
D) renal columns; renal pyramids and nephrons
A
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What is the goal of all of the negative feedback mechanisms of the body?
What will be an ideal response?
Chondroblasts ________
A) remain in compact bone even after the epiphyseal plate closes B) within the cartilage divide and secrete new matrix C) never lose their ability to divide D) are mature cartilage cells located in spaces called lacunae
Vitamin D produced in the skin may function as a hormone.
a. true b. false
Severe injuries and burns to the skin result in scars that are
A. fully functional regenerations. B. produced by stratum basale keratinocytes, which effectively bind damaged skin parts together. C. produced by chondrocytes and made mainly of desmosomes. D. produced by fibroblasts and made mainly of collagen. E. made by macrophages, which produce a dense granulation tissue.