The linea alba is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates.
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:
I think in our world, the communities created stronger bonds. The whole world went crazy with the presidents and other stuff, but each community came together to support the weak and help one another.
Explanation:
The answer is either B or C
Phlebitis Definition. Phlebitis (fle-BYE-tis) is a condition in which a vein becomes inflamed (phleb=vein + it is=inflammation). The inflammation may cause pain and swelling. When the inflammation is caused by a blood clot or thrombus, it is called thrombophlebitis.
