The circulatory system is very useful. This system transports the food nutrients, and oxygen to the body cells. It also delivers of carbon dioxide and waste products. This helps the respiratory system by transporting nutrients to keep the lungs clean, and healthy.
he would be suffering from a life threatening condition. if lasts to long he could go into a coma. its called heat stroke. symptoms can feel like a heart attack.
C) Defibrillators.
Most anyone who went to medical school in a hospital can use these.