Ch.12.1

Question 1

To keep our bodies healthy, we need to develop a ____________________ ____________________, which includes:

Answer 1

healthy lifestyle;

• A balanced diet
• Appropriate physical activities
• Good hygiene
• Avoiding smoking, alcohol and drug abuse
• Enough rest

Question 2

What is the importance of having a balanced diet?

Answer 2

It provides raw materials for the growth and repair of our body tissues, helps us support daily activities, helps us maintain and strengthen our body functions to resist diseases, helps us control our body mass, and keeps us warm.

Question 3

Describe a balanced diet.

Answer 3

A diet in which we consume all types of foods in appropriate amounts, eating more of the foods nearer to the base of the food pyramid.

Question 4

What is the importance of doing appropriate physical activities?

Answer 4

They help us control our body mass by increasing our energy expenditure, strengthen our body functions, train our muscles and organs, and resist diseases such as stroke and heart disease.

Question 5

What is the importance of maintaining good hygiene?

Answer 5

It is important for preventing diseases.

Question 6

What is the importance of avoiding smoking, alcohol and drug abuse?

Answer 6

Smoking causes harm to our lungs, heart and blood vessels, leading to higher risks of lung cancer and cardiovascular diseases; while
Abusing alcohol or drugs badly affects the function of our brain and damages our organs.

Question 7

What is the importance of having enough rest? How much sleep should young people between 14 to 17 get each day? What are the complications of not having enough sleep?

Answer 7

Sleep helps us grow, repair body cells and resist diseases. 8 to 10 hours of sleep.
Difficulty in concentrating, poor memory, bad temper, weakened immunity (which leads to higher risk of other diseases), and higher risk of developing some cardiovascular diseases.

Question 8

A healthy lifestyle is essential for ________________________________________ and ______________________. We should also avoid smoking, alcohol and drug abuse because _________________________________________________________.

Answer 8

building a strong and healthy body, preventing diseases; these substances have harmful effects on the body

Question 9

What is the definition of being healthy?

Answer 9

According to the World Health Organisation (WHO), a healthy person should have good physical health, mental health and social well-being.

Question 10

What is the time and intensity of physical activities that people aged 65 or above should do? Name two appropriate activities for them.

Answer 10

At least 150 minutes of moderate physical activities a week, or 75 minutes of vigorous physical activities a week; dancing or tai chi.

Question 11

What is the time and intensity of physical activities that people aged between 18 to 64 should do? Name two appropriate activities for them.

Answer 11

At least 150 minutes of moderate physical activities a week, or 75 minutes of vigorous physical activities per week; Hiking, cycling.

Question 12

What is the time and intensity of physical activities that people aged between 5 to 17 should do? Name two appropriate activities for them.

Answer 12

At least 60 minutes of moderate to vigorous physical activities daily; Jumping rope, basketball.