Biology Unit 1: Healthy Living

Carbohydrates: Release energy

Fats: Keep warm + Release energy

Protein: Cell repair + Growth + Cell replacement

Fibre: Helps with digestion

Vitamins and Minerals: Help general bodily functions

Metabolism: The speed at which chemical reactions in the body take place

Metabolic Rate: How fast a person's metabolism is

In general:

People with more muscle than fat have a faster metabolism.

Larger people have a faster metabolism.

Men have a faster metabolism.

People who exercise have a faster metabolism.

Malnourishment: Having a very unbalanced diet

Obesity: Being 20% or over reccomended body mass

Obesity is caused by a bad diet, lack of exercise, or hormonal problems.

Obesity can cause type 2 diabetes, arthiritis and heart problems.

Blood cholestrol is increased by too much saturated fat.

High blood pressure is caused by too much salt.