MEDICAL
RECTUM AND ANUS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Our digestive system has the RELAXATION and CONTRACTION of involuntary muscles EXCEPT ____
|
|
mouth
|
|
|
stomach
|
|
|
small intestine
|
|
|
large intestine
|
Explanation:
Detailed explanation-1: -Cardiac muscle and smooth muscle that line the internal organs like the intestinal tract, blood vessels, urogenital tract, respiratory tract, etc. are involuntary muscles.
Detailed explanation-2: -After you swallow, esophagus muscles contract (flex and relax). When the esophagus works as it should, this wave of coordinated contractions moves food or liquid down to your stomach. This series of contractions is called peristalsis.
There is 1 question to complete.