REVISION SCIENCE CLASS 3

A birds shelter is called a 

• den

• nest

• hive

• kennel

Baby birds

• are very strong

• hatch out of eggs

• can flay

• can run

Stomach

• Respiratory system

• Circulatory system

• Digestive system

• Nervous system

Brain

• Digestive system

• Nervous system

• Respiratory system

• Circulatory system

Lungs

• Circulatory system

• Nervous system

• Respiratory system

• Digestive system

Animals that eat the same food twice

• Carnivores

• Ruminants

• Omnivores

• Scavengers

Animals that live on dead and decaying food

• Scavengers

• Carnivores

• Prey

• Ruminants

Blood is pumped by the

• Brain

• Heart

• Muscles

• Stomach

When we breath in,we take in

• Carbon dioxide

• Oxygen

• Nitrogen

When we are on road,always walk on the

• Footpath

• Zebra crossing

• Road