The nose has mucus, a sticky substance. When outside air passes through the nose, the mucus . Bronchitis, an inflammation of the bronchioles, is a condition in which the bronchioles are filled with mucus. When mucus accumulates, .

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary