Respiratory System Review

What is one of the functions of the respiratory system?

• Digests food

• Exchanges gases (oxygen & CO₂)

• Circulates blood

• Produces hormones

Which of the following is a major organ of the respiratory system?

• Heart

• Liver

• Larynx

• Kidney

Which organ is responsible for exchanging gases in the respiratory system?

• Heart

• Lungs

• Intestines

• Kidneys

Fill in the blank: The _______ is a major organ in the respiratory system that helps in voice production.

• Larynx

• Lungs

• Trachea

• Diaphragm

What divides the nose into two nostrils?

• The nasal septum

• The nasal cavity

• The nasal bone

• The nasal cartilage

What is the function of the mucosa lining in the nasal cavity?

• It warms the incoming air and traps foreign objects.

• It cools the incoming air and releases moisture.

• It filters out oxygen from the air.

• It absorbs nutrients from the air.

What do ciliated cells in the nasal mucosa do?

• They propel trapped debris towards the throat for digestion.

• They absorb oxygen from the air.

• They produce mucus to trap dust and pathogens.

• They detect odors and send signals to the brain.

What are the three ridges found within the nasal cavity called?

• Conchae

• Turbinates

• Septum

• Nasal Folds

What is the difference between the hard and soft palate?

• The hard palate is made of bone, while the soft palate is made of muscle.

• The hard palate is made of muscle, while the soft palate is made of bone.

• Both the hard and soft palate are made of bone.

• Both the hard and soft palate are made of muscle.

What prevents food from entering other parts of the nasal cavity when swallowed?

• Uvula

• Epiglottis

• Soft palate

• Tonsils