What are 10 What are facts about the digestive system?

Answer 1

The Gastro-Intestinal Tract is a tube that goes from your mouth through to your anus. It is lined with mucosa membrane the whole way through.

• An adult oesophagus (also spelled esophagus and also called gullet) ranges from 10 to 14 inches in length, and 1 inch in diameter

• We make 1 to 3 pints of saliva a day

• Muscles contract in waves to move the food down the oesophagus. This means that food would get to a person's stomach, even if they were standing on their head

• An adults stomach can hold approximately 1.5 liters of material

• The stomach's wall is lined with three layers of powerful muscles

• The average male will eat about 50 tons of food during his lifetime in order to sustain a weight of 150 lbs

• Within the colon, a typical person harbors more than 400 distinct species of bacteria

• On average, the stomach produces 2 liters of Hydrochloric Acid (HCl) daily

• The liver is the second largest organ in the body, second only to your skin.

Answer 2

1. The digestive system is responsible for breaking down food into nutrients that can be absorbed by the body.
2. The process of digestion begins in the mouth with the chewing of food and secretion of saliva.
3. The stomach uses acid and enzymes to further break down food before passing it to the small intestine.
4. The small intestine is where most of the nutrients are absorbed into the bloodstream.
5. The large intestine absorbs water and salts from the remaining food material.
6. The liver produces bile to help digest fats, while the pancreas secretes enzymes to aid in digestion.
7. The gallbladder stores and releases bile produced by the liver.
8. The digestive system is lined with a mucous membrane to protect it from digestive juices.
9. Peristalsis is the process of muscle contractions that move food through the digestive system.
10. The waste products of digestion are expelled from the body through the rectum and anus.

Answer 3

The large intestine is fatter than the small intestine at about 3 to 4 inches around, but shorter than the small intestine at about 5 feet long.