Why are the bones of young children much more flexible than those of the elderly?
What will be an ideal response
Bones of children are not completely calcified, with a higher ratio of more flexible organic fibers. Bones in the elderly are more completely calcified, which gives the characteristic of rigidity.
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A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large pale cells called macrocytes, is characteristic of ________
A) polycythemia B) sickle-cell anemia C) aplastic anemia D) pernicious anemia
In muscle cells, the sarcoplasmic reticulum is a storage site for ________
Fill in the blank(s) with correct word
A patient with prerenal acute renal failure would MOST likely present with:
A) confusion and hypertension. B) joint pain and bladder distention. C) hypotension and tachycardia. D) peripheral edema and hematuria.
After the terminal bronchi air enters the alveoli next.
Answer the following statement true (T) or false (F)