Answer:
Option). about 20 percent of the calcium ion required for contraction comes from outside the cell.
Explanation:
Calcium ions play an important role in cardiac muscle physiology. Calcium ions influx is responsible for plateau phase after depolarization. Calcium ions also play role in muscle contraction with the help of troponin (regulatory protein).
For contraction, about 20 percent of calcium ions are supplied from outside of the cell, while rest of the calcium ions are released from SR (sarcoplasmic reticulum).
Thus, the correct answer is 'forth option.'
Yes but I have a lot to go to and I’m not inquest worry I just need to do it all the way back home to the next one to see if I need
Two functions of the cytoskeleton:-
-Helps the cell keep its correct form/shape.
-Moves <span>organelles</span> in the cell.
A ball that has been raised into the air by one or two-foot kick Aerial Ball.
In games like soccer or football we can see this phenomenon.
Explanation:
Aerial ball is referred to as a ball that has risen in air due to a kick or because it has been thrown and has not yet touch the ground.
In the question it is given that a ball that has been raised into the air by one or two-foot kick is referred to as a Aerial Ball.
Kick up is the term that is used to refer the conversion of a ground ball to a kick ball.
Ground ball refer to the ball that is either rolling on the ground or is in stationary motion or is bouncing.
Dead ball refers to a ball that is considered to be out of the play .
The term Dribbling the ball means to maneuvering the ball bya n indivual to protect it against the defendant
