Irritation to the lining of the airways causes air to be violently released through the nose in a ______.

The pitch of a sound that you make depends on the length and ___ of your vocal cords.

In order to live and function every cell needs ___.

Breathing that you can think about and control for a short time is called ___ breathing.

Which part of the respiratory system is a strong, curved muscle attached below the lungs to the lower ribs and backbone?

Which part of the respiratory system are saclike organs that replace the carbon dioxide in your blood with oxygen?

Which part of the body controls breathing?

Which respiratory disorder often causes the muscles around the bronchial tubes to tighten more than normal, making it hard for a person to breathe?

Where does the exchange of oxygen and carbon dioxide take place?

Which part of the respiratory system is the flap of tissue that covers the trachea when a person swallows?

The sound caused by air that cannot move freely and causes parts of the mouth and throat to vibrate and hit together is a ____.

Cell use oxygen and produce _______.

When the lungs become infected, a person has ___.

What are tiny blood vessels that surround the alveoli?

What is also known as the windpipe?

What are tiny air sacs in the lungs?

What is also called the throat?

What are two tubes that branch off the trachea?

What is also called the voice box?

What are tiny, hairlike structures that line the nasal passages as well as most of the respiratory system?

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