The answer would be A. Because orifice means opening. So it would be " The orifice of the octopus is at its center, where its arms meet. Hope that helps!!
<span>If a nurse notices that an accident victim cannot clench his teeth, there is a good chance that his trigeminal nerve has been affected. This nerve is located inside the brain and its primary purpose is to transmit sensations from a person's face to the brain. Damage to this nerve could cause the patient to be unable to clench their teeth.</span>
Answer:
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Explanation: