Healthy lifestyle

• Biologie
• Middelbare school
• havo
• Leerjaar 2

Welcome everyone!

Today: 

Explanation about healthy lifestyles (page 219)

Making exercises

What are we going to learn today?

Today we will learn: 

What a healthy lifestyle is. 

What consequences an unhealthy lifestyle can have on your body. 

What do we consider to be a healthy lifestyle?

Healthy lifestyle 

Heart and vessels

Living an unhealthy lifestyle can have a negative effect on your circulatory system:

- High blood pressure, there is a lot of pressure on your vessels which can damage them

- Arteriosclerosis, fats within your blood vessels (cholesterol) clump together which can obstruct blood flow. 

Arteriosclerosis 

Heart and blood vessels

- Heart attack, whenever a clump blocks a coronary artery, this side of the heart doesn't get oxygen and dies off. This can be very dangerous and can lead to death. 

Because of high blood pressure the arteries can also burst open leading to a heart attack. 

Heart attack 

Heart surgery

Tips to lower stress

Alcohol

Alcohol is a narcotic substances which can be found in drinks. Alcohol has a major impact on your health, especially when you are young and in development. Drinking interrupts the development of your nervous system. 

Alcohol is also addictive, you can become dependent on them.

Too much alcohol

When you drink alcohol, you paralyze yourself. Your reaction time decreases and you have less control of yourself. This can give a happy feeling, but it can also make you feel quite bad. 

From time to time, I drink alcohol

Agree

Disagree

Why do people drink alcohol?

The minimum drinking age is fine as is.

Agree

Disagree

I sometimes talk with my parents about drinking alcohol.

Yes

No

Time to work!

Make the exercises of paragraph 3.6, including the plus exercise (not the summary). 

Next week is the test about this chapter!

Recognizing a stroke