HUMAN BODY

A group of similar kinds of ------------- forms tissues.

• organ

• cells

• organ system

Identify the organs that form circulatory system.

• Kidney, lungs and skin

• Brain, spinal cord and nerves

• Heart, blood vessels and blood

_____________________ helps us to walk, run and lift objects.

• Muscular system.

• Skeletal system

• Respiratory System.

Our sense organs are connected to the ---------------------- through nerves.

• Heart

• Brain

• Lungs

Identify the respiratory system from the given picture.

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• 
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When we chew the food, saliva mixes with the food and makes it hard.

• True

• False