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.'
Answer:
D
Explanation:
The strain of a bad posture can bring all of those symptoms.
It should be noted that the stage theory of moral reasoning was simply used in illustrating moral development.
What is moral reasoning?
It can be deduced that the three level of moral reasoning include pre-conventional, conventional, and post-conventional. Lawrence Kohlberg used the responses of children to understand moral development.
The generational theory explains that generations popularize the idea that the people in a group share common beliefs, attitudes, behaviors, etc.
Learn more about moral development on:
brainly.com/question/8885213
22,853 is how many alcohol related collisions
