Question

Why decrease calcium levels in blood increase BMR a. Due to tetanic contraction of skeletal muscle...

Why decrease calcium levels in blood increase BMR
a. Due to tetanic contraction of skeletal muscle
b. Due to decrease muscular excitability
c. Due to increase waste product
d. None of the above
Science   Anatomy-And-Physiology   
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Answer #1

Ans Decrease in blood calcium levels affects bones, muscles, and also found to be involved in in metabolism of fats.

Calcium is important mineral in the body, helps in muscle contraction, bone development etc.

Decreased levels of blood calcium are related to increase BMR because due to low calcium, imbalance of lipid metabolism occur and results in the formation of waste product.

Correct Ans is option C

Due to tetanic contraction of muscle- low calcium levels leads to tenany where muscles contract at a high frequency and causes fatigue. But it effects only muscle and not affect BMR efficiently.

Due to decrease muscle excitability - low calcium levels cause increase muscle excitability. So this is incorrect statement.

Hope this will help you.

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