click below
click below
Normal Size Small Size show me how
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 |