Grade 08 Nervous system

Receptors of the body are eye, ear, nose, ............................., skin

Maintaining a good interaction between the receptors

and the effectors is known as ..........................

Both the brain and the spinal cord are protected by layers of special connective

tissues called the .....................

Protective structure of the brain are,

• vertebral column

• Cranium

• Meninges

• Cerebrospinal fluid

It is not functions of the cerebrospinal fluid are,

• Absorb shocks

• Acting as the main line of defense

• Supply nutrients

• Prevents the central nervous system from microbial infections

Which part of the brain is denoted in green color?

• Cerebrum

• Cerebellum

• Medulla oblongata

• Spinal cord

The head of a bird was damaged due to an accident. There was no damaged to the wings but the bird was unable to fly. What would be the damaged part of the brain?

• Cerebrum

• Cerebellum

• Medulla oblongata

• Spinal cord

The nerves that arise from the spinal cord are called as spinal nerves. In humans there are ...... pairs of spinal nerves.

An electrical signal that travels along a .....................is called an impulse

It is very important to take necessary protective measures in day-to-day activities since

the nervous system is very fragile.

select all the protective measures related to the nervous system

• Maintaining a balanced nutrition from childhood

• Prevent children facing accidents

• Control mental stress

• Avoid excessive keeping awake sleepless