Digestive SystemDigestive SystemBy: Thomas KingBy: Thomas King

MouthMouth

The mouth is an opening that food passes through, it The mouth is an opening that food passes through, it can also be used for breathing through.can also be used for breathing through.

EsophagusEsophagus

A muscular tube that is roughly nine inches long, A muscular tube that is roughly nine inches long, chewed food passes through this and goes into the chewed food passes through this and goes into the

stomach.stomach.

StomachStomach

The stomach is a muscle that expands when full and The stomach is a muscle that expands when full and shrinks when empty, it is full of stomach acid which shrinks when empty, it is full of stomach acid which partially digests food, after the food is digested, it partially digests food, after the food is digested, it

passes into the small Intestine.passes into the small Intestine.

Small intestineSmall intestine

Partially digested food is passed into the small Partially digested food is passed into the small intestine so that it can be further digested as intestine so that it can be further digested as well as absorb nutrients from the food. The well as absorb nutrients from the food. The small intestine consists of the Duodenum, small intestine consists of the Duodenum,

Jejunum and Ileum.Jejunum and Ileum.

Large intestineLarge intestine

The larger intestine, it connects to the small intestine The larger intestine, it connects to the small intestine and to the colon, it converts the digested food into and to the colon, it converts the digested food into

waste.waste.

LiverLiver

A large gland that changes sugars in ones blood to A large gland that changes sugars in ones blood to glycogen and then stores the glycogen until required.glycogen and then stores the glycogen until required.

AppendixAppendix

(No function confirmed.)(No function confirmed.)

PancreasPancreas

A large gland that secretes pancreatic juice which A large gland that secretes pancreatic juice which helps break down carbohydrates and also secretes helps break down carbohydrates and also secretes

hormones like insulin.hormones like insulin.

Gall BladderGall Bladder

A sac that stores bile from the Liver.A sac that stores bile from the Liver.

Bile/Bile ductBile/Bile duct

A greenish fluid secreted by the liver and passed into A greenish fluid secreted by the liver and passed into the duodenum. A duct that bile passes through from the duodenum. A duct that bile passes through from

the liver or gall bladder into the duodenum.the liver or gall bladder into the duodenum.

EnzymesEnzymes

A complex protein.A complex protein.

MucusMucus

A slippery secretion that is produced by mucous A slippery secretion that is produced by mucous glands which it moistens.glands which it moistens.

Chemical DigestionChemical Digestion

The breakdown of food into simpler compounds. The breakdown of food into simpler compounds. Proteins are broken down to amino acids, Proteins are broken down to amino acids,

carbohydrates are broken down to simple sugars, and carbohydrates are broken down to simple sugars, and fats are broken down to fatty acids and glycerol.fats are broken down to fatty acids and glycerol.

AbsorptionAbsorption

Absorption is the breakdown of food into nutrients.Absorption is the breakdown of food into nutrients.

Mechanical DigestionMechanical Digestion

Mechanical digestion is the breakdown of food Mechanical digestion is the breakdown of food through chewing or mixing.through chewing or mixing.

Salivary AmylaseSalivary Amylase

Salivary amylase is the enzyme in the saliva that Salivary amylase is the enzyme in the saliva that breaks down starches into sugarsbreaks down starches into sugars..

VilliVilli

A small finger shaped process that helps absorb food.A small finger shaped process that helps absorb food.

Gastric JuicesGastric Juices

the secretion of the gastric glands.the secretion of the gastric glands.

DuodenumDuodenum

The first part of the small intestine connecting it to The first part of the small intestine connecting it to the stomach.the stomach.

ChymeChyme

The partly solid, partly fluid mass that is The partly solid, partly fluid mass that is incompletely digested food, it is produced from incompletely digested food, it is produced from

the stomach and moves into the small the stomach and moves into the small intestine.intestine.

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