CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Which of the following helps prevent dust from entering the lungs?



Your Answer
A

Saliva

Correct Answer
B

Mucus

Correct Answer
C

Nose Hair

Your Answer
D

Tongue


Solution

The correct options are
B

Mucus


C

Nose Hair


The mucus and hair in the nasal cavity trap dust and other unwanted particles from entering the lungs. This causes mucus to turn black especially when soot is present.

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image