The major muscles involved while performing a wall sit or squat are the quadriceps muscles.
Explanation:
Exercises like wall sit or squat are an isometric exercises which works the entire group of lower body muscles.
Isometric exercises are endurance building exercises which improves the muscle endurance by holding it in a position for longer time. These exercises does not involve any big bodily movements but works by tensing the muscles.
Both these exercises primarily involve the front thigh muscles or the quadriceps. Squats and wall sits help to tone and shape the quads and other muscles involved. The angle of the body should be maintained at right angle to reduce the pressure on these muscles.
Other muscles which are involved in these exercises are the hamstrings, core, lower back muscles etc.
<span>The answer is columnar
epithelium. This type of epithelium with tall columnar cells is adapted for absorption
and is also protective. The epithelium of the proximal convoluted tubule has microvilli
that increase the surface area for reabsorption of water and minerals back into
the bloodstream. </span>
I guess it would have to be A
Answer:
D. I.
maybe its D, I think it might be D