The central nervous system is made up of the a. brain and ...

[Lisaclaire]

The central nervous system is made up of the
 
  a. brain and spinal cord.
 b. brain only.
 c. spinal cord only.
 d. nerves leading to and from the brain.

Question 2

Epigenetics refers to the process of cellular material influencing traits by
 
  a. Creating mutations in the genome.
 b. Inheriting mutations from an individual's parents.
 c. Activating the endocrine system when an individual encounters stressful events.
  d. Turning on or off genes from outside of the genome itself.

[Swizqar]

Answer to Question 1

a

Answer to Question 2

d

[Lisaclaire]

Thank you

[Swizqar]

No problem