Organ Systems

Front

What is the primary function of the digestive system?

Back

To convert food into simpler molecules that can be absorbed and used by the cells of the body.

Front

What is the significance of the villi found in the small intestine?

Back

They increase the surface area for nutrient absorption.

Front

Chewing food is an example of _____________.

Back

Mechanical digestion.

Front

Which two body systems work together to break down food and get rid of wastes?

Back

Digestive and excretory.

Front

When you breathe in air, you inhale oxygen into your lungs and exhale ____.

Back

Carbon dioxide.

Front

What is the role of the excretory system?

Back

To remove waste products from the body.

Front

What are the main organs of the digestive system?

Back

Mouth, esophagus, stomach, small intestine, large intestine.

Front

What is chemical digestion?

Back

The process of breaking down food into simpler molecules using enzymes.

Front

What is the function of the stomach in digestion?

Back

To mix food with digestive juices and break it down into a semi-liquid form.

Front

How do the lungs contribute to the respiratory system?

Back

They allow for the exchange of oxygen and carbon dioxide between the body and the environment.