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25 Cards in this Set
- Front
- Back
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The group of organs that work together to take in oxygen and release carbon dioxide make up the _____________________________ _________________________. |
respiratory system |
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The ___________ is the main passageway into the respiratory system |
nose |
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he nose ________________, _______________________, and _______________________ the air we take in. |
filters, warms, moistens |
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Tiny hairs called _______________ line the inside of the nose to filter dust and particles in the air we breathe |
cilla |
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The pharynx is the _____________________ |
throat |
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1. the __________________________ where food and drinks go to the stomach |
esophagus |
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2. the __________________________ where the vocal chords are located |
larynx |
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The pharynx divides into 2 tubes: |
esophagus, larynx |
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the _________________________ covers the entrance to the larynx so food and drinks do not go into the wind pipe. |
epiglottis |
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The vocal chords are a pair of _____________________ ________________ that stretch across the larynx. |
elastic bands |
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Muscles connect to the _______ and control how much the bands are stretched. |
larynx |
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Air flows _____________________ the vocal chords and they vibrate, which produces a sound. |
between |
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The ____________________ of the sound depends on how stretched the bands are |
pitch |
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The larynx guards the entrance to the ______________________, or the wind pipe. |
trachea |
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The trachea splits into two branches called __________________ (bronchus is singular). |
bronchi |
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One bronchus connects to each ______________. |
lung |
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Each bronchus splits into branches called ______________________________. |
bronchioles |
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Bronchioles split to form small air pouches called _________________________. |
alveoli |
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Alveoli are surrounded by small blood vessels, called ______________,where blood picks up oxygen and drops off carbon dioxide. |
capillaries |
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Breathing is ____________________ and ____________________- taking in air and letting air out. |
inhaling and exhaling |
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Your body getting and using oxygen to make energy and releasing carbon dioxide and water is _________________________. |
respiration |
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The ______________________ is a dome-shaped muscle below the lungs that allows breathing. |
diaphragm |
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When the diaphragm _____________________ , it moves _____________. This lowers the pressure in the lungs and air is forced _____________ the lungs- you inhale. |
contracts, down, into |
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______________ is just the opposite. Diaphragm relaxes and moves up, so the pressure in the lungs increases and air is forced out. |
exhaling |
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___________ muscles are rib muscles, which move the ribs outward and inward to assist with inhaling and exhaling |
inhaling |
