Kategoriak: All - intestine - liver - digestion - enzymes

arabera Woon Kiat 15 years ago

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Digestion

The digestive system is responsible for breaking down food into smaller molecules that the body can use. This process begins in the mouth, where salivary glands release amylase in saliva to start breaking down starches.

Digestion

Digestion

Enzymes

"Lock and Key" hyposthesis
Break down large food molecules into small molecules
Complex proteins
Remain unchanged at the end of chemical reactions
Speed up rate of chemical reactions

Gall Bladder

Storage for bile

Liver

Produces

Helps lipases in digestion

Breaks fat into smaller oil droplets

Emulsification

Pancreas

Protease

Anus

Large intestine

Small intestine

Bile
Pancreatic juice
Intestinal juice
Lipase
Maltase

Stomach

Stomach walls
Gastric juice

Hydrochloric acid

Proteases

Oesophagus

Mouth

Salivary glands
Saliva
Amylase

Nutrients

Fats
Provide 2X energy as carbohydrates

Butter

Cheese

Glycerol
Fatty acids
Proteins
Make enzymes
Repair worn-out tissues
Build new cells

Eggs

Fish

Meat

Amino acids
Carbohydrates
Found in

Noodles

Bread

Rice

Cellulose
Sugar

Glucose

Maltose

Sucrose

Starch

Benefits

Grow and repair cells and tissues
Maintain a healthy body
Maintain body temperature
Energy