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MCQ
What is the role of goblet cells present in columnar and ciliated epithelia?
Unit-5 Tissues Organs and Organ Systems
A They transport oxygen in blood
B They secrete mucus for lubrication and protection
C They form the matrix of bone
D They produce growth hormones
Explanation

Goblet cells secrete mucus, which lubricates and protects the lining of organs like the respiratory and digestive tracts.

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