These strings or strips of tissue vibrate as air blows across them. They are tightly pulled across your larynx and give you the ability to make sounds.
Tiny motorized "whips" waving back and forth on the cells lining the back of your nose and throughout much of the respiratory tract.
Air passes through these structures in your nasal cavity where the air is cleaned, moistened and brought to the correct temperature.
Balloon-like sacs in the lungs that allow the oxygen you need to pass easily from the air you inhale into the blood stream.
A space in your head where much of the dust, pollen, bacteria and other stuff in the air your breathe is filtered out.
holes in your skull that aid in the warming, moisturizing and filtering of the air you breathe.
The system that enables you to breathe; your nose, trachea, and lungs are a few parts of this system.
The condition that occurs when your bronchi are swollen, usually because of an infection.
What are cilia?
They are like motorized whips that push mucous out of your nasal cavity, trachea, bronchi and lungs.
Explain how the conchae help warm and moisten the air you breathe.
They disrupt the airflow, making the air bounce around and hit the warm, moist tissue in your nasal cavity.
What determines your voice's pitch?
The tension in the vocal chords as well as how thick and heavy they are.
What determines your voice's volume?
How much air passes across your vocal chords determines the volume.
Explain the importance of alveoli.
They are the places in the lungs where oxygen is put into the blood and carbon dioxide is removed..
Name some of the dangers of smoking.
It increases your chance of long cancer, raises your blood pressure, damages your lungs, and is addictive.
How does the oxygen get from your
lungs into your blood?
At the alveoli, the oxygen travels across the single cell thick blood vessel walls into blood cells.