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respitory system
| Question | Answer |
|---|---|
| What is the main function of the respiratory system? | To supply oxygen to the body and remove carbon dioxide. |
| What structure separates the upper and lower respiratory tracts? | The larynx. |
| Name the parts of the upper respiratory tract. | Nose, nasal cavity, pharynx, and larynx. |
| Name the parts of the lower respiratory tract. | Trachea, bronchi, bronchioles, and lungs. |
| What is the epiglottis? | A flap of cartilage that prevents food and liquid from entering the airway during swallowing. |
| The smallest airways in the lungs are called __________. | Bronchioles. |
| Where does gas exchange occur in the lungs? | In the alveoli. |
| What muscle is the primary driver of breathing? | The diaphragm. |
| What is tidal volume? | The amount of air inhaled or exhaled during normal breathing. |
| What is the function of cilia in the respiratory tract? | To move mucus and trapped particles out of the airways. |
| Which respiratory structure is also called the voice box? | The larynx. |