Cells are commonly dispersed (mixed in) with simple columnar epithelial cells. they are responsible for secreting mucus.
a. mast cells
b. ciliated
c. goblet cells
d. macrophages
e. red blood cells

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

As a small change in a person's dna can cause a genetic disorder

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons