The name given to the integral proteins of the sr is and these proteins seem to function as

They are referred to as Junctional Foot Proteins. They are found in the intermembrane space between T-tubules of muscle fibers and the cisternae membrane of the endoplasmic reticulum. The proteins have been observed to function as a Ca+ ion channel.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.