DIGESTIVE SYSTEM

TITIS NUR HARDIYANTI (01)TRINANDA SETIA AGUSTINA (02)ANDHI NAUFAL MUHAIMIN (03)HANA YUKITASARI (04)

• Digestive system include:1.Mouth2.Esophagus3.Stomach4.Small intestine5.Colon6.Anus

1. MOUTH

• The digestive process begins from the food into the mouth.

• Some organs in the mouth, namely:

a. Toothb.Tongue:c. Salivary gland

MOUTH

TOOTH

TONGUE

SALIVARY GLAND

(SALIVA)

TOOTH

smooth

ANATOMIANATOMI

FunctionFunction

TONGUE

TO STIR THE FOOD

TO STIR THE FOOD

SWALLOWINGSWALLOWING

SWEET

SWEET

SALTY

SALTY BITTERBITTER SOU

RSOU

R

The each different flavors of tongue : The each different flavors of tongue :

SALIVARY GLAND

(SALIVA)

Parotid Gland

Submandibular

Gland

Sublingual Gland

Salivary glands in the oral cavity there are 3 pairs :

Saliva Serves

serves to moisten and lubricate the food is so easy to swallow

saliva also protects lining of the mouth to heat, cold, acids, and bases

Converts carbohydrates (starch) into simple sugars (maltose)

at a pH between 6.8 to 7 and temperature 37 °C

2. ESOPHAGUS

• The function: as the channel for the digestive system.

• There is the movement “peristalsis”

• The time of food in the esophagus is only six second.

3. STOMACH

• Stomach is a big pocket.• Stomach consist of three section.• The function: it stores, stirs, and mixes food

with the gastric juices.• The food can be changed to the porridge or

“chyme”.

4. SMALL INTESTINE

• Small bowel (intestine) is the absorption of nutrients and the place of the long digestive process.

• The small intestine is composed of:

1. intestine duodenum (duodenum)

2. empty intestine (jejenum)3. Intestinal absorber (ileum)

• In the duodenum and pancreatic lymph duct empties bile duct. The pancreas produces pancreatic juice containing enzymes as follows: amilopsin, steapsin, trypsinogen.

• In addition to enzymes from the pancreas, small intestine wall of the small intestine also produces sap containing enzymes as follows: maltase, lactase, sucrase, trypsin, enterokinase.

5. COLON

• The food is not digested in the small intestine.

• In the large intestine are Escherichia coli.

• These bacteria help in decay process food scraps into feces.

• Besides rottenness left lovers, the bacteria E.colli also produce vitamin K. Reabsorbtion of water an important function of the colon.

6. ANUS• A hole feces disposal of

body.• Before being discharged

through the anus, feces accommodated first in the rectum.

• If the stool has been ready discarded the sphincter muscle of the rectum set opening and closing of the anus.