wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

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


A

Saliva

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Mucus

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

Nose Hair

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D

Tongue

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
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
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Human Respiratory System : Structure and Function
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon