What is one possible message that one cell might send to another cell?

A possible message that one cell could send to another is that it picks up blood sugar to be used as an energy source

Explanation:

Such is the example that happens with hormones, which are chemical substances that originate in a gland, and that being in the blood, give instructions that are attracted even inside the cell. An example of this is the cells found in the pancreas, these cells produce insulin, insulin tells the muscle cell that it must take the blood sugar to use it as an energy source.

answer; i believe the correct answer is (anemia);

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a