1. In effort and variant angina predominantly are useful?
1. Beta-adrenoceptor blockers;
2. Calcium channel blockers;
3. alfa-adrenoceptor blockers;
4. ACE inhibitors.

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

answer:

the thing that the document is trying to indicate

The area is 80

Explanation:

10 times 4 is 40. 40 times 2 is 80