Question

In a skeletal muscle, T – tubules

• A. Secrete acetylcholine
• B. Gives mechanical support
• C. Conducts impulses forward
• D. Bring about calcium flow for muscle contraction

Answer 1

The correct option is C Conducts impulses forward

T –tubules are a part of sarcoplasmic reticulum of muscle cells. Calcium is stored in the sarcoplasmic reticulum.The function of T-TUBULES is to conduct impulses from the surface of the cell (sarcolemma) down into the cell. Acetylcholoine is present in the axon terminals of tne neurons.