Lesson 6 Flashcards
What does the hair in your nose do?
It filters large particles out of the air you breathe.
What does the mucus in your nasal passage do?
It captures particles out of the air you breathe.
What are cilia?
They are like motorized whips that push mucus out of your nasal cavity, trachea, bronchi, and lungs.
Explain how the conchae help warm and moisten the air you breathe.
They disrupt the air flow, making the air bounce around and hit the warm, moist tissue in your nasal cavity.
What are the thin strips of tissue in your larynx called?
They are your vocal cords.
What determines your voice’s pitch?
The tension in the vocal cords as well as how thick and heavy they are.
What determines your voices volume?
How much air passes across your vocal cords determines the volume.
How do the cartilage rings around your trachea help you?
They keep your trachea from collapsing.
What are your bronchi?
They are the tubes that carry air from your trachea to your lungs.
Explain the importance of aveoli.
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.
- Increases your chances of lung cancer
- raises your blood pressure
- damages your lungs
- 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.
Which muscle is mostly responsible for your breathing?
The diaphragm is mostly responsible for breathing.
