B. Red blood cells contain a protein that binds with oxygen.
Answer:
Get in an air conditioned building and get him water.
Explanation:
The man could have a heat stroke, and is probably experiencing some form of heat exaustion. Meaning they well need to cool off and rehydrate. If they are really in pain, tell them to go home and rest for awhile.
Ions that can regulate metabolic processes are called electrolytes.
