TCI U1 L5 Grade 4-Animal Structure-I

Which three things do all animals need to survive?

• water, air, and light
• water, air and food

The digestive system is responsible for

• pumpling blood throughout the body.
• breaking down food into smaller pieces.

Food starts to break down in the

• large intestine
• mouth

Which of the following is not a digestive structure?

• saliva
• stomach

The ____ stirs an animals food and mixes it with digestive juices.

• stomach
• esophagus

The digestive system that removes waste is called

• large intestine
• small intestine

Blood carries ____ through the body.

• digested food
• all of the above

What part of the circulatory system carries blood away from the heart?

• veins
• arteries

____ are not part of the circulatory system.

• Lungs
• Brains

Birds with short beaks usually eat

• insects
• larva