This system consists of the lungs and air passages.

• Lymphatic System

• Respiratory System

• Digestive System

• Skeletal System

The ______ has two openings, called nostrils, through which air enters.

What is another name for the throat?

• pharynx

• larynx

• epiglottis

• glottis

What is the common name for the larynx?

• wind pipe

• throat

• voice box

• mouth

This is a leaflike piece of cartilage that closes the opening into the larynx during swallowing.

• Glottis

• Alveoli

• Bronchi

• Epiglottis

What part of the respiratory system is the arrow pointing?

Air sacs that resemble a bunch of grapes.

The trachea divides into two ______ near the center of the chest.

• Lungs

• Alveoli

• Bronchi

• Bronchioles

The right _____ has three lobes, while the left only has two.

The process of breathing.