การย่อยอาหาร : ลำไส้

A nutrient found in food that is made up of smaller parts called amino acids. It is a necessary part of the diet and keeps cells healthy and functioning normally. Also assists in building muscle tissue.

A kind of protein that speeds up or slows down chemical reactions in our digestive system.

The part of the small intestine that is right below the stomach.

The building blocks of proteins. There are twenty different kinds of amino acids that the human body needs, nine of which the body cannot produce by itself.

An essential elementary substance, which is not made by plants or animals, that is needed by humans, plants and animals in order to remain healthy and develop normally.

An essential organic compound that we get from our food that helps the body to remain healthy and develop normally.

A substance, such as starch or sugar, that is rich in energy and is made up of carbon, hydrogen and oxygen and is an important part of human diets.

A simple sugar that can be quickly broken down into energy in an organism. It is found naturally in plants.

A thick, slimy substance that protects things from drying out. Found in the nose, lungs and intestines.

A process in which the body breaks down and absorbs important substances from food.

A large gland located behind the stomach that produces insulin to regulate the glucose level in the blood. It also secretes pancreatic fluid into the intestine, which is needed to break down food.

A substance produced in the liver, and stored in the gallbladder, which breaks down fat into small droplets during digestion.

An organ located next to the liver that stores the bile produced by the liver.

Finger-like structures on the inside of the small intestine that absorb nutrients from food.

The main part of the large intestine where excess water is absorbed from food passing through and feces are formed. It also contains a large amount of bacteria that help to free vitamins from the food so that the body can absorb the vitamins.

A system of organs, glands and vessels that assists with taking in food, breaking it down, absorbing energy and nutrients from the food, and getting rid of the remaining waste in the form of feces and urine.

The end part of the gastrointestinal tract, where feces are stored.

A long, curving tube that connects the stomach to the large intestine.

A number between 0 and 14 that indicates how acidic or basic a chemical is.