Answer:
I dont know what your experiment is but the control variable is the thing your keeping the same.
Explanation:
The given blank can be filled with medulla.
The medulla also called the medulla oblongata is the segment of the brainstem that is factually the stem, which elongates from the brain. The medulla is positioned below the pons and above the spinal cord and is a major relay intersection for information conducted to and from the spinal cord and the brain. This section of the brain is a monitoring center for circulation and respiration.
Nervous System (brain, spinal cord, nerves)
Answer: They are classified as a glia, it is not related to any other nervous system cell due to it’s distinct embryonic origin .
Therefore, the statement is true.
