Booklet 2 nov 2024 Flashcards
What are the two types of digestion?
Chemical digestion and Mechanical digestion.
What is chemical digestion?
Chemical digestion is the breakdown of foods from a complex insoluble food to a simple soluble substance.
What is mechanical digestion?
Physical breakdown of large particles into smaller particles to increase the surface area for attachment of more enzymes.
What are enzymes?
Chemical compound that speeds up chemical reaction.
Why do we need food?
Food is converted by oxygen into energy for your body.
Why do we need a good diet?
A good balanced diet helps maintain your strength and fitness and promote a healthy immune system.
What are the food groups?
Carbohydrates give you energy, calcium and B vitamins.
Proteins help it grow and repair itself.
Dairy keep our bones and teeth healthy.
Fruits and Vegetables They’re full of health-giving vitamins, antioxidants and fibre.
Fats and sugar they give us a lot of energy from calories but not much nutrition.
What’s indigestion?
Intake of food through the mouth.
What is digestion?
breakdown of food in the mouth, stomach and small intestine.
What is Absorbtion?
Nutrients taken by blood system in the small intestine.
What is Assimilation?
When the nutrients become part of the cell.
What is Excretion?
removal of undigested food through the Anus.
