Approximately 90% of food that has been digested, absorbed in the intestine. Small intestine has a length of 6-7 meters. Surface of the small intestine form a grooved structure and branching are called villi.
In general it may take 24 to 48 hours for food to get through the entire digestive system in the body,
In general it may take 24 to 48 hours for food to get through the entire digestive system in the body,
In the resting body, the average adult heart beats approximately 60-80 times per minute with about six liters of blood pumped. When doing activities, the muscles need more oxygen and nutrients. The heart beats faster and stronger, up to 150 times per minute to circulate approximately 40 liters of blood.