Question

Question 4-WRITE IN DETAIL-

1. How do messages reach the brain?

2. Define stimulus and response.

3. Write difference between brain and spinal cord.

4. Describe the human central nervous system along with its parts and functions.

5. Write pathway of reflex arc.​

Answer 1

Answer:

(1)through nerves

(2)A change in the environment is called stimulus. The reaction of organisms to it is known as response

(4) brain

question (3)&(5) i don't know