Grade5, Ls2- The Nervous System

It is the part of the brain that controls the heartbeat.

• Cerebrum

• Cerebellum

• Medulla

• None of these

_____________ is a bundle of nerves that is surrounded and protected by the vertebral column.

• Brain

• Rib cage

• Spinal cord

• Limbs

Our sense organs and all other organ systems are controlled by the _____________ system.

• Skeletal

• Muscular

• Nervous

• Digestive

Involuntary actions are under the control of ____________ .

• Cerebrum

• Medulla

• Cerebellum

_____________ nerves carry messages to the brain as well as take orders from the brain to other parts of the body.

• Sensory

• Mixed

• Motor

____________________ nerve connects ear to brain.

• Optic

• Auditory

____________ gives the eye its distinct colour.

• Cornea

• Lens

• Retina

• Iris

The outer ear is also called as _______________ .

• Eardrum

• Cochlea

• Pinna

Example of reflex actions is ________________ .

• Eating

• Walking

• Blinking eyes

• Jumping

_________ is the part of the brain that controls muscle movement.

• Cerebrum

• Medulla

• Cerebellum