What are the functions of vitamins, what part of the body does choking block, when is wheezing heard, what do overcrowded rooms increase the risk of, and answer the True/False questions about the resp

Here are the answers to the questions:

47. Eating foods rich in vitamins keeps us...
Vitamins are essential nutrients that support various bodily functions, including immunity and energy production.

a) Strong and healthy

48. Choking blocks:
Choking occurs when an object obstructs the airway, specifically the trachea, preventing air from reaching the lungs.

b) Trachea

49. Wheezing is mostly heard during:
Wheezing is a high-pitched sound caused by narrowed or obstructed airways, typically heard during breathing, especially exhalation.

b) Breathing

50. Overcrowded, poorly ventilated rooms increase risk of:
Poorly ventilated and crowded spaces facilitate the transmission of airborne pathogens, increasing the risk of respiratory infections and conditions.

d) All of the above

True/False (10, Vertical)

1. The diaphragm is a sheet of muscle that helps us breathe.
   • ✅ True
2. The lungs are the main organs for gaseous exchange.
   • ✅ True
3. The nose traps dust using tiny hairs.
   • ✅ True
4. Smoking is good for the respiratory system.
   • ❌ False
5. Inhalation occurs when the diaphragm contracts and flattens.
   • ✅ True
6. Exhalation occurs when the diaphragm relaxes and becomes dome-shaped.
   • ✅ True
7. Bronchioles connect alveoli to bronchi.
   • ✅ True
8. Overcrowded rooms increase the risk of respiratory diseases.
   • ✅ True
9. Fresh air is not important for the respiratory system.
   • ❌ False
10. Exercise strengthens breathing muscles.
    • ✅ True