Answer:
The heart is a muscle and therefore it can be stimulated by electrical impulses.
Explanation:
In the heart, the electrical activity is generated in the SA node and conducted from the right atrium to the left atrium in order to contract myocardial cells
Answer:
It is the same age as it was when it was swallowed.
Explanation:
Answer: B) muscularis mucosa
Explanation:
The digestive wall which is responsible for most of its movement are muscularis mucosa as, the muscularis mucosa is the outer layer and it is the thin layer which is responsible for generating the movement in smooth muscles. Basically, smooth muscle are responsible for generating the move and fold which help in increasing absorptive mucosa area. And it is supported by the thin layer of the connective tissues.
Will rot and then will slowly break down unless helped, this could be vital and have serious effects
