Apologia Anatomy & Physiology Lesson 6 The Respiratory System
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dscale on January 31, 2013
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Respiratory System
First Class Kitsap County Homeschool Co op
Apologia Anatomy and Physiology
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33 terms
Terms | Definitions |
|---|---|
 Diaphragm | The long muscle below your lungs. It helps you breathe in and out. |
| Vocal Cords | 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. |
| Oropharynx | The part of the pharynx that is closest to your mouth. |
| Cilia | Tiny motorized "whips" waving back and forth on the cells lining the back of your nose and throughout much of the respiratory tract. |
| Conchae | Air passes through these structures in your nasal cavity where the air is cleaned, moistened and brought to the correct temperature. |
| Bronchi | The two tubes that branch out from the trachea to the lungs. |
| Laryngopharynx | the last part of the pharynx, closest to the larynx |
| Alveoli | Balloon-like sacs in the lungs that allow the oxygen you need to pass easily from the air you inhale into the blood stream. |
| Nasal cavity | A space in your head where much of the dust, pollen, bacteria and other stuff in the air your breathe is filtered out. |
| Nasopharynx | the uppermost part of the pharynx. It is connected to the inner ear. |
| Uvula | a small pink projection hanging downward from your soft palate. |
| Sinus cavities | holes in your skull that aid in the warming, moisturizing and filtering of the air you breathe. |
| Mucous membranes | Mucus producing tissues, found in many parts of your body. |
| Pharynx | Air passes through the three parts of this structure on its way down to the trachea. |
| Respiratory system | The system that enables you to breathe; your nose, trachea, and lungs are a few parts of this system. |
| Bronchitis | The condition that occurs when your bronchi are swollen, usually because of an infection. |
| Bronchioles | Very small, thin-walled tubes that carry air to where the lungs can finally use it. |
| Larynx | The part of your body that gives you the ability to speak |
| Voice box | another name for the larynx |
| Alveolar ducts | Bronchioles fan out to create these little spaces where air enters the alveoli. |
| 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 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 are the thin strips of tissue in your larynx called? | They are your vocal chords. |
| 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. |
| 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 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. |
| What muscle is mostly responsible for your breathing? | The diaphragm is mostly responsible for breathing. |
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