LS Respiratory and Circulatory Systems

__________ is the amount of air that can be taken into the lungs with one breath.

• Bronchioles

• Lungs

• Lung capacity

• Diaphragm

is also called the windpipe.

• larynx

• esophagus

• trachea

• bronchi

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

• alveoli

• capillaries

• bronchi

• bronchioles

 Tiny blood vessels that surround the alveoli are called

• alveoli

• capillaries

• bronchi

• bronchioles

When you breathe "in", you take in

• carbon dioxide

• oxygen

• nitrogen

The Main tube that takes air to your lungs

• bronchi

• bronchioles

• trachea

• air sacs

The tubes that lead into each lung

• trachea

• bronchi

• bronchioles

• air sacs

What type of air to we breath "out"

• carbon dioxide

• oxygen

• nitrogen

The tiny, thin, hair like tubes in the lungs are

• the trachea

• the bronchi

• the bronchioles

• the alveoli

Where does the oxygen get into the blood?

• the trachea

• the bronchi

• the bronchioles

• the alveoli