Provides electrolytes , carbohydrates and contributes to hydration
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Answer:
It is important to engage in CPR if a person is unconscious and not breathing because the longer you wait the higher chance of them dying. when you spot someone unconscious and not breathing call 911 straight away then start to perform CPR only if the person isn't breathing and unconscious. But if they are coughing, moving or breathing those are all good signs
Explanation:
Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body.
Hope it will help you
