Question

pls answer orderly and correctly​

Answer 1

Answer:

1. The 2 parts of Vertebrate Nervous System are :

• Central Nervous System
• Peripheral Nervous System

2. This type of Action is known as Reflex Action.

3. The structural and functional unit of Nervous System are neurons (smallest impulse carrying structures)

4. The cerebral reflexes are (ii) and (iv)

• A person spits out immediately when a fly enters the mouth
• A person's pupil contract at once in presence of bright light

5. Heart beat is an involuntary action as it can't be controlled at will. It happens due to Auto-Rhythmicity of the heart muscles and pacemakers.

6.

$\boxed{ \bold{dendrite \rightarrow cell \: body \rightarrow axon \rightarrow axon \: end}}$

7. In a synapse , electrical impulses are transmitted from the axon end of one neuron into the dendrite end of the other neuron.