Science

Digestive System

Oesphagus
Where is it: It's connected to your mouth and stomach.
Function: It's let's the food go through the stomach after being swallowed.
Structure Is a long, thin and strong tube that connects to the mouth and stomach. When you swallow food the walls of your oesophagus squeeze together which makes the food go down faster.
Weird example: It takes 7 seconds for for to travel through the eseophagus. 

Stomach
Where is it: It is below the oesophagus.
Function: Is a big elastic bag that can hold lot's of your food. It usually holds about 2 - 4 litres of food. It can hold food for 2 hours or longer.  There's a part where the lining had a acid which will break down foods.
Weird example: When your face turns red (blush) your lining of the stomach also turns red.

Small intestine -
Where is it: Bottom of your stomach.
What is it used for/ how it works: It's where 90% of the food is digested and absorbed.  The other 10% is the stomach and the large intestines. The villi is also part of the small intestines it helps nutrients get absorbed into your blood.
Weird example: The small intestine is much longer than the large intestine, but the large intestine is much wider than the small intestine.

Large intestine -
Where is it: Around the small intestine
How it works:  The job is to absorb water from the remaining indigestible food matter.
What is it used for: The major function of the large intestine is to absorb water from the remaining indigestible food matter and transmit the useless waste material from the body.


Liver -
Where is it: The right side of your stomach
What is it used for: The main functions of the liver is to filter the blood from the digestive tract before passing it to the rest of the body.
Weird example: It hold 10% of blood in your body. It pumps around 1.5 liters through itself.