"the diagram shows human body structures that are coordinated to maintain homeostasis. which row correctly identifies the functions of these structures?
row
bodsystem x organ y
(1) digestion regulation
(2) circulation synthesis
(3) excretion transport
(4) locomotion nutrition
"

The correct answer to this question is number "(1) Digestion Regulation." 

As shown in the image, Digestion is responsible in breaking down carbohydrates and releases sugar into the blood. And the organ Regulation makes hormone A, which releases sugar store in the liver so it enters the blood. On the other hand, hormone B which moves sugar out of the blood into cells.

Apicture would .

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it