The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis
<span>Stabilizing selection is at work in this case. This is the force that allows a population to gradually center on a mean value due to a presence of a non-extreme bodily trait. The more extreme examples of the trait lead to the organisms being selected out, and the trait that is the least conspicuous wins out in the long-run.</span>
The enzyme will work as a catalyst and make the chemical reaction happen quicker
who is that??????!!!!!........
