Respiratory System

Front

What is the main function of the respiratory system? Options: to break food down, supply the blood with oxygen, absorption of nutrients, circulate the blood

Back

supply the blood with oxygen

Front

The trachea is a part of the respiratory system. What can the trachea also be called and what is its function?

Back

windpipe, filters the air we breathe

Front

When you breathe out, what gas does the body get rid of?

Back

Carbon dioxide

Front

Capillaries

Back

Capillaries are tiny blood vessels in your lungs.

Front

What happens when you breathe in?

Back

When you breathe in your diaphragm contracts and your ribcage expands

Front

The space at the back of the mouth, that leads either to the airway or the esophagus is the:

Back

pharynx

Front

The voice box is also known as the ______________________.

Back

Larynx

Front

The tiny hairs that keep mucus and dirt out of your lungs are called _____________.

Back

Cilia

Front

What muscles allow you to breathe in and out?

Back

The diaphragm.

Front

Which part of the body is not used for the respiratory system to work?

Back

small intestine