B DNA sequence helps to identify characteristic of ancestors
The answer is to your question is A
It may be A
I'm not really sure but thats what I think.
Answer:
I believe that it is the brain stem
Explanation:
The brain stem, at the bottom of the brain, connects the cerebrum with the spinal cord. It includes the midbrain, the pons, and the medulla. It controls fundamental body functions such as breathing, eye movements, blood pressure, heartbeat, and swallowing.
