Biology: Food And Digestion (2a,b,c,d) Flashcards
What are involved in chemical digestion?
Enzymes- biological catalysts that break big molecules into smaller soluble ones.
What is amylase?
An enzyme which breaks starch into sugar.
What are the seven food groups needed for a balanced diet?
My fat cat plays violently with fish!
Minerals, fats, carbohydrate, protein, vitamins, water and fibre.
Give an example of a mineral.
Calcium (bones) or iron (blood).
What does malnourished mean?
Someone lacking certain nutrients - who doesn’t have a balanced diet.
Give an example of a vitamin. Where does it come from? What does it do?
Vitamin C - from oranges, good for our immunity.
Where could you get protein from?
Meat, beans or lentils
Where could you get carbohydrate from?
Pasta, bread, potatoes
What could happen if you ate too much animal fat?
Put on weight and may get clogged blood vessels (heart attacks)
What is absorption?
When small soluble nutrients move across the lining of the intestine onto the blood.
What is egestion?
When waste food passes out the anus…poo!
How are nutrients transported around the body once absorbed?
In the blood.
What is starvation?
The condition caused by lack of food of any sort.
Why do we need carbohydrate?
For energy
Why do we need protein?
For growth and repair
