This is the actual site of gas exchange

• pharynx

• larynx

• trachea

• alveoli

The term indicates the area between the lungs

• mediastinum

• hilum

• thoracic cage

• pleura

The control center for breathing

• alveoli

• bronchioles

• pulmonary arterioles

• medulla and pons

The trachea branches off into two _______

• bronchi

• bronchioles

• alveoli

• lungs

Also known as the windpipe

• trachea

• larynx

• pharynx

Which is not part of the respiratory system?

• nose

• mouth

• trachea

• alveoli

The C-shaped cartilaginous layer is a unique feature of which of the following?

• trachea

• bronchi

• alveoli

• lungs

Which of the following is the correct pathway through which air travels in the human respiratory system?

• nose, lungs, pharynx, trachea

• nose, pharynx, trachea, lungs

• nose, trachea, pharynx, lungs

Which of the following is responsible for preventing food from entering the trachea?

• epiglottis

• glottis

• larynx

• trachea

What is the cavity at the rear of the mouth called?

• larynx

• pharynx

• trachea