Question

.T-tubule in muscle contraction a.) Hempers the nerve impulse b.) Break down glycogen c.) Provides a nerve supple of oxygen in the muscles d.) Take action potential deep into the muscle cell ​

Answer 1

T-tubules (transverse tubules) are extensions of the cell membrane that penetrate into the centre of skeletal and cardiac muscle cells. ... Through these mechanisms, T-tubules allow heart muscle cells to contract more forcefully by synchronising calcium release throughout the cell.