Home
Class 7
BIOLOGY
When we inhale too much of dust-laden ai...

When we inhale too much of dust-laden air, we sneeze. Explain, why?

Text Solution

AI Generated Solution

**Step-by-Step Solution:** 1. **Understanding Dust-Laden Air**: When we inhale air that contains dust, we are taking in tiny particles that can irritate our respiratory system. Dust is made up of very small particles, including sand and other debris. 2. **Role of the Nasal Cavity**: Our nasal cavity is equipped with tiny hairs called cilia and mucus. These structures help trap dust and other particles, preventing them from entering deeper into our respiratory system. 3. **Irritation of the Nasal Cavity**: Despite the protective mechanisms in place, some dust particles can still make their way into the nasal cavity. When these particles reach sensitive areas, they cause irritation. ...
Promotional Banner

Topper's Solved these Questions

  • RESPIRATION IN PLANTS AND ANIMALS

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (KNOWLEDGE AND UNDERSTANDING) |7 Videos

  • REPRODUCTION IN PLANTS

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (APPLICATION AND ANALYSIS) |7 Videos

  • TRANSPORTATION IN PLANTS AND ANIMALS

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (APPLICATION AND ANALYSIS) |8 Videos

Similar Questions

Explore conceptually related problems

Why do we often sneeze when we inhale a lot of dust-laden air?

When we was clothes for a long time our fingers shrink. Explain.

A statement is followed by two arguments. Decide which of the arguments is/are strong with respect to the statement. Statement: Too much of pain killer affects the liver. Arguments: I. Yes, for all small aches we should avoid taking pain killers. II. No, when we have the comfort of gulping a tablet: why to bear the pain?

Can we give as much charge to a capacitor as we wish?