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:
coping is helpful when you need to change your situation, perhaps by removing a stressful thing from your life.
Explanation:
because if you're in an unhealthy relationship, your anxiety and sadness might be best resolved by ending the relationship.
Answer:
Kindly check explanation
Explanation:
Sports and games has proven to be a unification tool over the years with each sport team representing a whole nation to sporting events including the world cup and Olympics to mention a few.
Team work : A sports team is not only composed of single ethnic faction but a combination of diverse ethnic and cultural groups. In spite of these differences, the need to win supercedes which could only be achieved by working together (teams play). This spirit and network has played a role in holding firm grip on national unity.
Wholesale Economic development and growth has stemmed from the socioeconomic impact of sports as hosting a major sporting event could bring about a monumental change in the economy of a nation for many years even after the convulsion of the event of adequately managed.
The motivational effect of sports on the mentality of the young population cannot be downplayed as they aim to emulate the success of their sporting icons.
The effectivemess of a nation in a certain area of sport could pave the way for collaboration from other nations towards the development of such sporting activity in their own country. This creates foreign bond and relationship with oversea countries leading to easier and better trading opportunities.
