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Peristaltic action is required by humans and similar animals which ingest and digest their food supplies in similar fashion. It is a pattern of muscular action along the intestinal walls and other parts of the digestive and excretory systems. The muscular action comprises "squeezing" of the contents so that they pass along the flexible, tubular intestine, whilst the other action creates lengthening and shortening of the "tube". This causes the contents of the "tube" to be passed along and ultimately excreted when you "have to go" to the toilet. As to what would change, that's a very theoretical question, the short answer to which is "they would die out", but this will not happen because natural development of species has designed the human body to work far more cleverly.
I believe that would be the Peristalsis. :)
There would be less genetic variation in humans
Cellular respiration is the process by which glucose is turned into energy. Without this process, cells would not be able to divide and reproduce, meaning humans and other animals could not survive.
If (for example) paralysis of the muscles of the intestines occurred after a big feast, the lack of peristalsis would leave the intestines passive and full of partially digested food, from which only a small amount of reabsorption of water would occur. The gut would then be blocked and you would have "the mother of all cases" of constipation! There might be some vomiting, and your abdomen would be very uncomfortable, and later, painful, and you would have a monstrous headache. It would be no fun going for a walk. Your body would be yearning for food, although your abdomen was full of what was originally nourishment. Liver function would be gravely affected, and you would eventually die (but I am not sure of the mechanism of these two effects).
If peristalsis were to stop, the movement of food through the gastrointestinal tract would be most directly affected. Peristalsis are muscle contractions that take place in the digestive tract.
If peristalsis were to stop, the movement of food through the gastrointestinal tract would be most directly affected. Peristalsis are muscle contractions that take place in the digestive tract.
The food would be stuck in your esophagus
Peristaltic action is required by humans and similar animals which ingest and digest their food supplies in similar fashion. It is a pattern of muscular action along the intestinal walls and other parts of the digestive and excretory systems. The muscular action comprises "squeezing" of the contents so that they pass along the flexible, tubular intestine, whilst the other action creates lengthening and shortening of the "tube". This causes the contents of the "tube" to be passed along and ultimately excreted when you "have to go" to the toilet. As to what would change, that's a very theoretical question, the short answer to which is "they would die out", but this will not happen because natural development of species has designed the human body to work far more cleverly.
Humans need to bring food, water, oxygen,
Scientific Method
Peristalis takes place in the gastrointestinal tract.
decreases contraction in the smooth muscle
rust it
The process that led to greater diversity would be selective breeding carried out by humans. Humans saw a color they liked and began selecting for it in their own animals.
You would just stop the process.
Melting.