The diagram below represents a microscopic view of blood. Cell A protects the body by producing specific chemicals in response to
pathogens. Cell A is.

1.)A red Blood cell
2.)A bacteria cell
3.)An insulin producing cell
4.)A white blood cell

All of them are man made

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.

Ithink its c hope it : )