the basics

Question 1

how to develop a healthy lifestyle?

Answer 1

balanced diet
appropriate amount of physical activity
good hygiene
enough rest
avoid smoking / alcohol / drug abuse

Question 2

why do we need a balanced diet

Answer 2

grow + support daily activities, maintain body functions and control body mass

Question 3

why do we need an appropriate amount of physical activity

Answer 3

helps control body mass, grow+ repair body cells / resists diseases

Question 4

why do we need good hygiene

Answer 4

to prevent diseases

Question 5

why do we need enough rest (how many hours of sleep do 14-17 year olds need)

Answer 5

helps grow + repair body cells / resist diseases
14-17 —> 8-10 hours of sleep

Question 6

why do we need to avoid smoking / alcohol / drug abuse

Answer 6

smoking harms lungs, heart blood vessels leading to lung cancer / cardiovascular diseases
alcohol and drug abuse affects brain functions + organ damage

Question 7

what types of food substances are there

Answer 7

primary and protective

Question 8

what are the primary food substances (why are they primary)

Answer 8

carbohydrates, lipids, proteins
they are essential for supporting life

Question 9

what are the protective food substances (why are they protective?)

Answer 9

vitamins, minerals, dietary fibre
they are important for keeping the body healthy