Animal Structures for Digestion & Circulation

What do the lungs of an animal do?

• take in air

• help with digestion

• create energy

• moves food throughout the body

Animals that eat meat usually have ________ teeth.

• large and flat

• short and flat

• small and sharp

• long and sharp

Tags

NGSS.MS-LS4-2

What does the digestive system of an animal do?

• mashes food into tiny pieces

• removes any waste products

• mixes food with digestive juices

• all of the above

Tags

NGSS.MS-LS1-7

Which of the following is not a digestive structure?

• saliva

• esophagus

• stomach

• small intestine

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

• stomach

• small intestine

• esophagus

• large intestine

The digestive system that removes waste is called the

• stomach.

• large intestine.

• esophagus.

• small intestine

Blood carries ________ through the body.

• water

• digested food

• gases

• all of the above

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

• veins

• plasma

• arteries

• capillaries

________ are not part of the circulatory system.

• Lungs

• Arteries

• Brains

• Capillaries

For each insect, its mouthpart is a structure designed for

• preying on other insects.

• chewing holes in wood.

• defending itself against animals.

• eating a certain kind of food.