Medical necessity is an important concept in coding because one needs to be aware that different coding schemes together with medical necessities both work towards the same major goal that is extremely important if one wants to use them as they should be used.
Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract
A) The source is probably not valid because it is based on an opinion.
He or she that wrote it did not go into a lab and see if the resources are true its just based on what he thinks it is.
A lymphatic organ that helps develop the immune system is the thymus gland.
A vErY bAd ThInG THAT KIDS LIKE YOU SHOULDNT BE ASKING XD