Isn’t that just the messaging app on apple products
At least 8 glasses/cups of water
The human heart works like a pump sending blood around your body to keep you alive. ... This blood delivers oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products. Your heart and circulatory system works together to deliver blood to your organs so they can function.
I believe it's either A or B. some types of cancer works the same, too, having mild symptoms shown.