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.
Answer:
A concussion is a complex physiological process induced by a bump, blow, or jolt to the head or body, transmitting a force that causes the brain to literally bounce around or twist within the skull.
Explanation:
The damage done to the brain is at a microscopic level: cells and cell membranes are stretched and torn.
<em>Hope this helped :)</em>
Answer:
D
Explanation:
Exercising, eating healthy, and making good decisions are all very important components for lifetime fitness.
While acupuncture can be helpful, it isn't necessary to lead a healthy lifestyle. It can improve some people's lives, but others just don't find it to be useful.
The most important things to have for lifetime fitness are exercise, good nutrition, and safe, healthy and good choices. Acupuncture isn't required for a healthy life, so the correct choice is D: weekly acupuncture sessions.