Get Started
301

Q:

The upper part of the respiratory tract is provided with small hair-like structures called ______.

  • 1
    bronchi
  • 2
    cilia
  • 3
    villi
  • 4
    alveoli
  • Show Answer
  • Workspace

Answer : 2. "cilia"
Explanation :

Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose. Inhaled air is moistened, warmed, and cleansed by the tissue that lines the nasal cavity.


Previous Next
GK Biology Questions

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today