Answer:
The correct answer will be option-C
Explanation:
T-tubules or transverse tubules are the extensions of the cell membrane or into the sarcoplasm of the muscle cells.
The T-tubules play an important role in the movement of the muscle in response to the synaptic signals as they conduct the electrical impulse from the surface of the cell to the inside of the sarcoplasmic reticulum which is the storehouse of the calcium ions of the muscle cell.
Thus, Option-C is the correct answer.
Stay safe online make sure not to give any personal info. Don’t talk to any strangers definitely if it can be prevented. If you feel uncomfortable and you feel like you are being used under any circumstances you need to tell a adult.
Answer:
OC
Explanation:
the heart has to pump faster because the blood is flowing through so fast and the vessels widen to cause less pressure.
Answer:
The muscular system, in vertebrates, is controlled through the nervous system, although some muscles, like cardiac muscle & muscles in stomach walls, can be completely autonomous. And others like, skeletal muscles are under conscious control.
Muscles run throughout the human body. Each muscle has a specific name according to it's location or function. All these muscles work and render human body to function normally. For example, when you want to play flute you have to pucker your lips, you can do so with the help of Orbicularis oris, a muscle surrounding the lips.
Digestive system breakdown the food and absorb nutrients from it.
Food we eat is the body's source of fuel. Nutrients in food give the body's cells the energy they need to operate. Before food can be used it has to be broken down into tiny little pieces so it can be absorbed and used by the body. In humans, proteins need to be broken down into amino acids, starches into sugars, and fats into fatty acids and glycerol. The whole process of digestion is aided by chemical and nervous coordination
.Explanation: