Answer:
A. keeps you healthy
Explanation:
The immune system protects your body from outside "invaders," such as bacteria, viruses, fungi, and toxins.
Protein synthesis as well as DNA transcription
The Prefrontal Cortexis t<span>he area of the brain where higher-level thinking and self-regulation occur; the peak of overproduction takes place at about 1 year of age.</span>
