Metabolism

What happens inside our body when we eat a sandwich or have a drink?

• Explosions

• You go outside and play

• We want to take a nap

• Chemical reactions

Metabolism happens when

• You forget where you left your backpack

• chemical reactions occur in your body when you eat a sandwich or have a drink

• You talk to your best friend on the phone

• Study for a test

Anabolism

• When cells join molecules to make the materials needed for life

• When cells break down molecules to get energy

• the breaking down of body tissues and energy stores to make fuel

Catabolism

• the building up of body tissues and energy stores

• when cells break down molecules to get energy

• when cells join molecules to make the materials needed for life

What are enzymes?

• Molecules in our cardiovascular system that break down food

• Molecules in our lymphatic system that break down food

• Molecules in our circulatory system that break down food

• Molecules in our digestive system that break down food

What is an amino acid?

• Protein

• Fat

• Carbohydrate

• None of these

What is a fatty acid?

• Protein

• Fat

• Carbohydrate

• None of these

Carbohydrates are

• amino acids

• fatty acids

• glucose