Joe is a 65-year-old man. Two years ago, Joe was driving home from the golf course when he had a heart attack. Joe's car struck a tree head-on, and he broke his left leg in the accident. Today, Joe's leg has completely healed. However, his heart is not as strong as it was prior to the accident. Which one of the following statements best explains this situation? A. Bone tissue is repaired with lots of fibrosis; cardiac muscle has very little collagen. B. Only epithelial tissues and bone can regenerate;all other tissues are repaired with only fibrosis. C. None of these is relevant to the situation. D. Bone is good at regeneration; cardiac muscle has very little or no ability to regenerate. E. When bone tissue is damaged, there is no inflammation; cardiac muscle has lots of inflammation
Joe is a 65-year-old man. Two years ago, Joe was driving home from the golf course when he had a heart attack. Joe's car struck a tree head-on, and he broke his left leg in the accident. Today, Joe's leg has completely healed. However, his heart is not as strong as it was prior to the accident. Which one of the following statements best explains this situation?
A.
Bone tissue is repaired with lots of fibrosis; cardiac muscle has very little collagen.
B.
Only epithelial tissues and bone can regenerate;all other tissues are repaired with only fibrosis.
C.
None of these is relevant to the situation.
D.
Bone is good at regeneration; cardiac muscle has very little or no ability to regenerate.
E.
When bone tissue is damaged, there is no inflammation; cardiac muscle has lots of inflammation.
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