Respiratory System

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

• nose

• mouth

• small intestine

• diaphragm

The trachea leads to the________

• bronchi

• bronchioles

• Esophagus

• pulmonary vessel

Inhaling moves the diaphragm________________ chest cavity

• down and expands

• down and relax

• up and expands

• up and relax

In which part of the respiratory system does gas exchange take place?

• The bronchi

• The trachea

• The lungs

• The larynx

Which organ of the respiratory system can be described as a tube made of cartilage rings?

• The pharynx

• The trachea

• The larynx

• The bronchi

Based on the illustration.

Which the primary organ of respiratory system?

• A

• B

• C

• D

• E

Based on the illustration. Which controls breathing and separates the chest and abdominal cavities

• A

• B

• C

• D

• E

The walls of our nose are lined with tiny hair and mucus, which trap foreign particles out of the inhaled air.

• TRUE

• FALSE

ANALOGY: Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.

Trachea; trunk

• alveoli: roots

• bronchi: leaves

• bronchi: branch

• larynx: fruits

ANALOGY: Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.

Exhaust: smoke

• Exhale: oxygen

• Exhale: carbon dioxide

• Inhale: Oxygen

• Inhale: Carbon dioxide