HW systems have

What letter points to the Alveoli?

• C

• D

• E

• F

What letter points to the trachea?

• C

• B

• E

• D

What letter points to the Bronchi?

• C

• D

• E

• F

What letter points to the Bronchi?

• C

• D

• E

• F

What is the function of the lungs?

• organs where gas exchange takes place.

• organs where blood is filtered.

• organs where blood is pumped around the body.

• organ where food is broken down into molecules that the body can use.

What is the function of the trachea?

• It is the tube that air travels down after the bronchi. Another name is the throat.

• It is the tube that air travels down to the lungs. Another name is the windpipe.

• It is the tube that air travels down after the nose. Another name is the windpipe.

• It is the tube that air travels down after the pharynx. Another name is the throat.

What is the pathway that air follows throughout the body?

• Nose-> Trachea -> Bronchi -> Pharynx -> Lungs -> Alveoli

• Nose -> Bronchi -> Pharynx -> Trachea -> Lungs -> Alveoli

• Nose -> Trachea -> Alveoli -> Branchi -> Lungs

• Nose -> Trachea -> Bronchi -> Lungs -> Alveoli

Muscle that helps your lungs pull in air and push it out.

• diaphragm

• alveoli

• heart

• trachea

During exhaling, the diaphragm ______

• contracts and moves downward

• constrict

• relaxes and moves upward

• dilate

Which of the following shows what happens to the chest cavity when air rushes into the lungs?

• decrease in volume

• deflates

• expands

• relaxes