The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about ... to split it up into its constituent parts: proteins, carbohydrates, fats, vitamins ...

What are the parts ... human body and what they do. How do humans digest food? From chewing to pooing. Learn how our bodies get what they need from food. Bitesize 1st Level Science guide on the ...

Your heart's will to beat, to keep going, is incredibly strong. If the heart fails, so does everything else… Because it's your heart's job to deliver to every cell, to every nook and cranny of ...

The human nervous system is defined as two parts ... controls your digestive system, and it is regulated by the sympathetic and parasympathetic nervous system. 8. The body has a nervous system ...