Digestive System

 Oesophagus

Where is it?

The oesophagus connects your mouth to your stomach. It is part of your neck. Basically it's your throat.

What does it do?

When you swallow food, the oesophagus moves the food from your mouth to your stomach.

How does it do it?

When you swallow your food, your oesophagus' walls squeeze together and it moves the food into the stomach.

Stomach

Where is it?

The stomach is located in the left side of your midsection. 

What does it do?

The stomach crushes your food so that the food you swallow can fit into your intestines.

How does it do it?

The stomach crushes food by squeezing the food with three layers of muscles. The acid in your stomach helps to break it down. 

Small Intestine

Where is it?

The small intestine is located between your stomach and large intestines.

What does it do?

The small intestine absorbs the nutrients out of the food and into your liver.

How does it do it?

The small intestines absorb nutrients are covered with cells that are called villi that helps absorb the nutrients. The cells on the villi are full of microvilli, they are a hair like structure.

Liver

Where is the liver?

The liver is located in the right side of your abdomen. The other side of your stomach.

What does it do?

The liver adjusts most chemical levels in the blood. It carries waste products from the liver. The nutrients from your small intestines go here.

How does it do it?

The liver detoxifies your blood by turning the toxins to a substance called urea. It releases it into the blood where the kidneys ejects it as urine.

Large Intestine

Where is it?

The large intestine is located at the bottom of the small intestine.

What does it do?

The large intestine absorbs the liquid from materials that are not digested as food. It gets rid of waste left over.

How does it do it?

When your large intestine absorbs too much water, food gets hard and dry. Muscle movement push your it to the rectum and will later be released as poop.