The stomach differs anatomically from other organs of the alimentary canal because it has an additional oblique layer of muscularis externa for churning. the stomach differs anatomically from other organs of the alimentary canal because it has an additional oblique layer of muscularis externa for churning. true false

True

Explanation:

Muscularis externa can be described as a muscular region which is present in vertebrates, especially in the stomach of the vertebrate organism. The muscularis externa provide movements like peristalsis and contractions after intervals. These muscles enable food to get churned and mixed with the digestive enzymes. There is a circular layer of muscles present in the muscularis externa which prevents moving of the food in the backward direction hence leading the food to move in the right direction.

dr. khan operated on abdul’s left knee, he required a signature from abdul’s orthopedist confirming that the knee required the operation. the orthopedist’s written approval is a form of