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rev chap 6
SALT anatomy 7th grade
| Question | Answer |
|---|---|
| The system that enables you to breathe. Your nose, trachea, and lungs are a few of the parts of this system | respiratory system |
| mucous producing tissues, found in many parts of your body | mucous membranes |
| air passes through these structures in your nasal cavity where it is cleaned, moistened and brought to the correct temperature. | conchae |
| tiny motorized "whips" waving back and forth on the cells lining the back of your nose and throughout much of the respiratory tract. | cilia |
| holes in your skull that aid in the warming, moisturizing and filtering of the sir you breathe | sinus cavities |
| the uppermost part of the pharynx. It is connected to the inner ear. It helps equalize the pressure between your inner ear and the atmosphere. | nasopharynx |
| the part of the pharynx that is closest to your mouth | oropharynx |
| the last part of the pharynx | laryngopharynx |
| the part of the body that gives you the ability to speak | larynx |
| "strings" or strips of tissue that are pulled tightly across your larynx. They vibrate as air blows by giving you the ability to make sounds | vocal cords |
| another name for the larynx | voice box |
| the two tubes that branch out from the trachea | bronchi |
| the condition that occurs when your bronchi are swollen, usually because of an infection | bronchitis |
| very small, thin-walled tubes that carry air to where the lungs can finally use it. | bronchioles |
| bronchioles fan out to create these little spaces where air enters the alveoli | alveolar ducts |
| balloon like sacs in the lungs that allow the oxygen you need to pass easily from the air you inhale into the blood stream | alveoli |
| the long muscle below your lungs. It helps you breathe in and out | diaphragm |
| a space in your head where much of the dust, polen, bacteria and other stuff in the air you breathe is filtered out | nasal cavity |
| a small pink projection hanging downward from your soft palate | uvula |
| what does the hair in your nose do | nose hairs trap the large particles of dust that you breathe in every singe day, and that protects your lungs |
| what does the mucus in your nasal passage do | because it's sticky, the stuff that doesn't belong in your lungs stick to it |
| what are cilia | teeny tiny whips waving back and forth on the cells lining the back of your nose that are constantly moving the mucus that has particles stuck to it, towards your mouth where it can be swallowed and destroyed by your stomach acid |
| explain how the conchae help to warm and moisten the air you breathe | because it's passage twists and turns, it interrupts the air flow making it go this way and that way, slamming into the walls of your nose where it picks up moisture and gets heated by the warm tissue there. |
| what are the thin strips of tissue in your larynx called | vocal cords |
| what determines your voice's pitch | when you tense your vocal cords they become tighter and produce a high pitched sound. Relaxing them makes a low pitched sound |
| what determines your voice's volume | the more air you send up over your larynx, the more your vocal cords vibrate, the louder it sounds. Also people with larger chests, mouths, and nasal passages have louder voices. |
| how do the cartilage rings around your trachea help you | they keep your trachea from collapsing when there's a difference in air pressure (the straw example) |
| what are your bronchi | the trachea branches out into two bronchi that take air into the lungs |
| explain the importance of alveoli | they're little balloon like sacs at the end of your bronchioles that get the oxygen you need out of the air and into your bloodstream. They also get the waste (carbon dioxide) out of the bloodstream and into the lungs so it can be exhaled |
| name some of the dangers of smoking | causes damage to the lungs, contains carbon dioxide that's poisonous to the body, reduces the blood's ability to carry oxygen, it's nicotine is addictive |
| how does the oxygen get from your lungs into your blood | each alviolus is covered with tiny blood vessels. As blood passes through these tiny vessels, oxygen seeps from the alveolus through the wall of the blood vessel and into a blood cell. |
| what muscle is mostly responsible for your breathing | diaphragm |
Created by:
libbykaly
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