Digestion

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Digestion

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Animal systems

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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