Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: how are foreign matter normally expelled from the human respiratory system?
A: Foreign matter is normally expelled from the human respiratory system by a lining of very fine hairs, called cilia. Firstly, the hairs are coated with mucus that captures any germs and particles in the air we breathe before it enters the lungs. The cilia beat in a wave-like motion which brushes foreign matter upwards into the pharynx. The foreign matter is then expelled from the body through
Question
Asked 7/8/2010 3:04:39 AM
Updated 5/13/2014 11:50:43 AM
1 Answer/Comment
Get an answer
New answers
Rating
3
Foreign matter is normally expelled from the human respiratory system by a lining of very fine hairs, called cilia. Firstly, the hairs are coated with mucus that captures any germs and particles in the air we breathe before it enters the lungs. The cilia beat in a wave-like motion which brushes foreign matter upwards into the pharynx. The foreign matter is then expelled from the body through swallowing, coughing or sneezing.

Added 5/13/2014 11:50:43 AM
This answer has been confirmed as correct and helpful.
Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
27,006,468 questions answered
*
Get answers from Weegy and a team of really smart lives experts.
S
L
Points 247 [Total 265] Ratings 0 Comments 177 Invitations 7 Offline
S
L
Points 130 [Total 130] Ratings 0 Comments 130 Invitations 0 Offline
S
L
R
Points 125 [Total 276] Ratings 1 Comments 5 Invitations 11 Offline
S
R
L
R
P
R
P
R
Points 66 [Total 734] Ratings 0 Comments 6 Invitations 6 Offline
S
1
L
L
P
R
P
L
P
P
R
P
R
P
R
P
P
Points 62 [Total 13329] Ratings 0 Comments 62 Invitations 0 Offline
S
L
1
R
Points 34 [Total 1450] Ratings 2 Comments 14 Invitations 0 Offline
S
L
Points 10 [Total 187] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 13] Ratings 0 Comments 10 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.