Asked by Ben

1) Mucus traps __________.
2) The windpipe is lined with sticky __________ and microscopic __________.
3) Tiny microscopic __________ are called cilia.
Answered by Ms. Sue
I'll be glad to check your answers.
Answered by Ben
1 bacteria
2 I don't know
3 cells?
Answered by Ms. Sue
http://www.innerbody.com/image_card06/card13.html#full-description

http://dictionary.reference.com/browse/cilia