Respiratory system

Front

_______________ is also called the windpipe.

Back

Trachea

Front

_________ are tiny air sacs at the end of the bronchioles where the exchange of oxygen and carbon dioxide take place.

Back

Alveoli

Front

Tiny blood vessels that surround the alveoli are called

Back

capillaries

Front

Bones that surround and protect your lungs and heart.

Back

ribs

Front

Ventilation (breathing) is a regular, rhythmic process which:

Back

moves air into and out of the lungs

Front

The trachea branches off into two: Alveoli, Bronchi, Bronchioles

Back

Bronchi

Front

To go on living, the body's cells need food, water, chemicals and ...

Back

Oxygen

Front

A small flap of tissue that covers the trachea when swallowing is called the

Back

epiglottis

Front

What happens to the diaphragm when you exhale?

Back

moves upwards

Front

What is labeled at E?
Options: bronchi, trachea, pharynx, none of the above

Back

trachea