Answer: Adaptation
species adapt to their environment
I'm working on the assignment rn. But here are some clues to help you.
Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days<span>.</span>
Ensory cells<span> are </span>cells<span> which detect information (such as sounds, light, touch, smell, taste, and temperature) through receptors on their surface. This information travels through nerves from the </span>sensory cells<span> to the brain.</span>
A. unconscious
It's A because it controls the involuntary actions like our heart beat or breathing. The actions we aren't consistently remembering to do.