Almedas skin has lost some flexibility and the lens of her left eye is beginning to cloud. She is concerned that the normally separate protein fibers that make up her bodys connective tissue are forming bonds with one another. You can tell Almeda that she can reduce cross-linking by __________.
A) eating a healthy diet
B) decreasing her heart rate
C) increasing her body fat
D) moving less often
Question 2
According to the cross-linkage theory of aging, bonds between protein fibers in connective tissue can lead to __________.
A) tightening of the skin and strengthening of the kidneys
B) loss of flexibility in the skin and clogging of arteries
C) increased flexibility and strengthening of the bones
D) reduced production of many hormones, especially estrogen
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
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