How does the digestive system help the body use a meal?

In the food pathway diagram, what body part is marked A?

In the food pathway diagram, what is part A's main job?

What happens to food inside the stomach?

Where are most nutrients from food absorbed?

What does the large intestine absorb from the material left after food is processed?

Through what opening does solid waste leave the food pathway?

What body system delivers needed materials to Liza's muscles during a race?

In the body's transport diagram, what organ is marked A?

What is the main job of the body's vessels?

What liquid flows through the body's network of vessels?

What are the bluish-looking tubes sometimes visible under the skin of your wrist?

What gas does the body take from air to help release energy from food?

What waste gas made by body cells is removed when we breathe out?

Where in the chest does gas exchange with inhaled air take place?

In the air pathway diagram, what body part is marked A?

What tube, also called the windpipe, carries air from the throat toward the chest?

In the chest diagram, what body part is marked B?

The diaphragm and the model's rubber sheet move downward. Which stage of breathing do the diagrams represent?

When food causes choking, which tube may be blocked?