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Respiratory System
VHA
| Question | Answer |
|---|---|
| Nasal cavity | site of inhalation and exhalation |
| Mouth | site of infalation and exhalation |
| Pharynx | back of the throat where nasal and oral cavities meet |
| Epiglottis | tissue that prevents food from entering the trachea |
| Larynx | Produces sound and moves air |
| Esphagus | muscular tube connecting pharynx to stomach |
| Trachea | ringed tube for passage of air |
| Diaphragm | major muscle of breathing |
| Lung | organ of breathing |
| Heart | muscle resposnible for blood circulation |
| Bronchi | function to move air to the alveoli |
| Cartilage ring | ring that holds open the trachea |
| Bronchiole | Moves air to the alveole |
| Alveoli | grape-like clusters where gas exchange in the lungs takes place |
| Main job of the respiratory system | bring oxygen into the body and carry carbon dioxide out |
| The body needs O2 to | burn nutrients and produce energy |
| What is the byproduct of respiration | CO2 |
| How many types of respiration? | Two |
| External respiration occurs in which body part | Lungs |
| Internal respiration occurs | All over the body |