Which of the following muscles is located at the shoulder?
a. platysma
b. sternocleidomastoid
c. deltoid
d. pectoralis minor

Pectoralis minor

Explanation:

Pecoralis minor is a thin, triangular muscle lies beneath the pectoralis major muscle. This muscle arises from the third ribs, fourth and fifth ribs.

The pectoralis muscles fans out from the shoulder upper ribs area. This muscle is involved in the coracoid process of scapula. The pectoralis muscle helps in the depression point of the shoulder.

Thus, the correct answer is option (D).

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:

it could come from a variety of sources.

explanation:

..although it was most likely developed through zoonotic transmission, where an infectious disease which usually afflicts when animals jump to humans.