Food on the plate must be converted into a mashed-up, gooey liquid for the digestive system to be able to split it up into its constituent parts ... is where the major digestion and absorption ...

Narrator: Why do we eat food? I mean, really, wouldn't life be far simpler if we didn't have to? Well the thing is we need energy to keep on living. Each part of our body needs to be recharged ...

Narrator: Why do we eat food? I mean, really, wouldn't life be far simpler if we didn't have to? Well the thing is we need energy to keep on living. Each part of our body needs to be recharged ...