Composition is what it's made of vs texture being what the substance feels like.
D.Mutation causing uncontrolled cell division
Explanation:
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Brain stem is the part of the human brain that houses the most primitive functions such as the control of heart rate, respiration, and blood pressure.
<h3>What is brain stem?</h3>
It is a part of the brain that is located between the rest of the brain and the spinal cord.
It is responsible for carrying out the most basic nervous system tasks for our survival, such as the regulation and maintenance of the heart rate and the automatic control of respiration.
Therefore, we can conclude that the brain stem is the part of the human brain that houses the most primitive functions such as the control of heart rate, respiration, and blood pressure.
Learn more about brain stem here: brainly.com/question/17199488
The answer is A because the universe is all of the galaxy’s,solar systems,and planets put into one
