Digestive, Respiratory & Circulatory System

Front

What gas do your lungs take in when you breathe?

Back

Oxygen

Front

What gas do your lungs remove when you breathe out?

Back

Carbon Dioxide

Front

What is the main function of red blood cells?

Back

Carry oxygen and transport materials throughout the body.

Front

What organ is responsible for breaking down food after chewing?

Back

Stomach

Front

What is the tube called that food passes through after swallowing?

Back

Esophagus

Front

Where does air first enter the body?

Back

Nose and mouth.

Front

What is the primary function of the respiratory system?

Back

To facilitate breathing and gas exchange.

Front

What is the role of the diaphragm in breathing?

Back

It contracts to help draw air into the lungs.

Front

What are the two main components of the circulatory system?

Back

Heart and blood vessels.

Front

What is the function of the small intestine?

Back

To absorb nutrients from digested food.