Answer:
The muscularis externa layer
Explanation:
The muscularis externa layer has three layers of muscle. An innner oblique layer , a middle circular and an external longitudinal layer. The contraction of these muscle layers help to break up the food mechanically.
As his respiration became shallow, it means that he is going to have difficulty in breathing, so it is best to have a device or assistance to be placed on him, in order to assist his breathing and ventilation. It is best to insert an airway adjuct to him, in order for his breath to widen and to insert a bag mask device, to assist his ventilations.
B is the answer to the question
Prefixes and at the beginning of the root of the word, where suffixes are placed after the root of the word (the ending)
I would say 2500 calories would be your daily intake
