Digestion

Benefits

Energy

Maintain body temperature

Maintain a healthy body

Grow and repair cells and tissues

Nutrients

Carbohydrates

Starch

Sugar

Sucrose

Maltose

Glucose

Cellulose

Found in

Rice

Bread

Noodles

Proteins

Amino acids

Found in

Meat

Fish

Eggs

Build new cells

Repair worn-out tissues

Make enzymes

Fats

Fatty acids

Glycerol

Found in

Cheese

Butter

Provide 2X energy as carbohydrates

Mouth

Salivary glands

Amylase

Saliva

Oesophagus

Stomach

Stomach walls

Gastric juice

Proteases

Hydrochloric acid

Small intestine

Intestinal juice

Maltase

Proteases

Lipase

Pancreatic juice

Bile

Large intestine

Anus

Pancreas

Pancreatic juice

Amylase

Lipase

Protease

Liver

Produces

Bile

Breaks fat into smaller oil droplets

Emulsification

Helps lipases in digestion

Gall Bladder

Storage for bile

Enzymes

Complex proteins

Speed up rate of chemical reactions

Remain unchanged at the end of chemical reactions

Break down large food molecules into small molecules

"Lock and Key" hyposthesis

Amylase

Starch

Maltose

Maltase

Maltose

Glucose

Protease

Proteins

Amino acids

Lipase

Fats

Fatty acids

Glycerol