As a bone increases in diameter, what happens to the medullary cavity?
A) The medullary cavity increases in diameter because bone matrix is removed by osteoblasts.
B) The medullary cavity increases in diameter because bone matrix is removed by osteoclasts.
C) The medullary cavity decreases in diameter because bone matrix is added by osteoclasts.
D) The medullary cavity decreases in diameter because bone matrix is added by osteoblasts.
E) The medullary cavity diameter does not change but fills in with more bone marrow.
Answer: B
You might also like to view...
Cellular swelling is likely to occur when blood cells are immersed in:
A) hypotonic solutions. B) hypertonic solutions. C) isotonic solutions. D) more concentrated solutions.
This muscle allows you to stand on your tiptoes.
A. Gastrocnemius B. Extensor digitorum C. Hamstring group D. Tibialis anterior
How do the kidneys function as a part of the excretory system?
A. By removing bilirubin B. By removing nitrogenous wastes C. By removing salts, lactic acid, and urea D. By removing carbon dioxide
How many lobes does the right lung have?
A. 1 B. 2 C. 3 D. 4