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Respiratory
Respiratory system
| Question | Answer |
|---|---|
| what parts of the body are involved in the respiratory system | Nose/Mouth trachea Bronchus Bronchioles Lungs Alveoli Diaphragm Ribs Intercostal Muscles |
| what purpose do the Intercostal Muscles and the diaphragm serve | movement |
| what purpose do the ribs serve | protection |
| what occurs in the alveoli | Gas Exchange |
| what purpose do nose hairs serve | filters the air |
| what does the trachea, bronchioles and bronchus do | bring air up and down to and from the lungs |
| what is respiration | the release of energy from food |
| what happens during gas exchange | oxygen enters the alveoli oxygen diffuses throught the walls of the alveoli and into the capillaries the oxygen is taken by blood to cells for respiration CO2 from the capillaries diffuses through their walls and into the alveioli the CO2 is exhaled |
| what prevents food from entering the trachea | Epiglottis |