Answer:
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
Answer:
The blood picks up co2 and also waste from the tissue. So I am guessing that it is co2.
Hope this helps.
Sit in a sauna or steam room for 20 minutes.
Take a detox bath
Take a 20 minute brisk walk every day in fresh air
Eating plenty of fresh and raw fruits and vegetables a day
