The answer is B
because glucose enters a cell through the integral proteins !!
Satiation is the feeling of fullness and satisfaction that typically comes after eating because of signals from the pancreas, liver, gastrointestinal tract, and brain.
<h3>What is
gastrointestinal tract?</h3>
The digestive system's path from the mouth to the anus is known as the gastrointestinal tract (GI tract, digestive tract, alimentary canal). All of the major digestive system organs, such as the esophagus, stomach, and intestines, are located within the GI tract in both humans and other animals. Food that is consumed by mouth is broken down into nutrients and energy, and the leftover waste is ejected as feces at the anus. An adjective describing the stomach and intestines is "gastrointestinal."
To learn more about gastrointestinal tract with the help of given link:
brainly.com/question/25882744
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Speciation is b. the process by which new species are formed. They are often caused by the isolation of certain organisms in terms of environment or geographical area. This is part of the evolutionary changes that various species undergo to brought about by natural selection.
<span>the answer for this is Thalamus</span>
