Calcium ion concentration in blood affec | Class 11 Biology Chapter Locomotion and Movement, Locomotion and Movement NCERT Solutions

Question:

Calcium ion concentration in blood affects muscle contraction. Does it lead to tetany in certain cases? How will you correlate fluctuation in blood calcium with tetany?

Answer:

Tetany is the rapid spasms in muscles due to low calcium in body fluid.

Yes, in certain cases calcium ion concentration in the blood leads to tetany. A decrease in calcium is associated with increase in permeability of neuronal cells to sodium ions causing a progressive depolarization, which increases the possibility of action potentials causing contraction of peripheral skeletal muscles which leads to tetany. Calcium plays an important role in muscle contraction. Parathyroid hormone secreted by parathyroid gland is responsible for increasing the Ca²⁺ions in the blood stream.

Calcium ion concentration in the blood affects muscle contraction.

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 1: Calcium ion concentration in blood affects muscle contraction. Does it lead to tetany in certain cas....

Calcium ion concentration in blood affec | Class 11 Biology Chapter Locomotion and Movement, Locomotion and Movement NCERT Solutions

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