1.5 - Healthy airways

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

Welcome- 2EH

• Please take your seat
• Get you notebook , book and pen.
• Take out your coat and wait quietly for the Assignment in the next dia. 

To do:

Make ex. 9+10 basic 1.4 , p.33-34

Done? 

make Test yourself basic 1.4

Goals 

• Can explain what you can do for yourself to keep your airways healthy.
  
• Can describe what hay fever is.

Ventilation

It's a good idea to keep the air you breathe in as fresh as possible. When you do that, you minimize the CO2 in the air and maximize the O2. This prevents you feeling tired, having a headache and increases your concentration. 

Allergy

Notes

• Allergy: hypersensitive to a particular substance
• Allergic reaction: a reaction to something that you breath or eat
• Examples: dust, animal hairs, makeup, or food

Hay fever

Notes:

1. Caused by pollen (stuifmeel) from flowers

2. Pollen sticks to mucous lining

3. Symptoms: burning and itchy nose, throat, eyes

Welcome- 2EH

• Please take your seat
• Get you notebook ,  book and pen.
• Take out your coat and wait quietly for the Assignment in the next dia. 

To do:

Get your chromebook

Go to lessonup.com

Enter the class code: oioxk

Complete the following 4 drag dias 

Done?

Get your book and begin reading basic 1.5 

+

+

->

Put the molecules/ words in the correct order for the process called respiration. 

This process takes place in the ...

Glucose

CO₂

O₂

H₂O

mitochondria

chloroplasts

What is the formula of respiration? 

+

+

+

Glucose

Oxygen

Energy

Carbon dioxide

Water

ribs

diaphragm

bronchus

trachea

epiglottis

larynx

alveoli

lungs

bronchioles

pleural membrane

RESPIRATION

PHOTOSYNTHESIS

Uses CO2

Produces CO2

Plants do this in daylight.

Plants do this at night time.

Uses O2.

Produces O2.

Uses water.

Produces water.

Animals do this all the time.

What would be your top 10 terrible things caused by smoking cigarettes ?

Smoking:

https://kidshealth.org/en/teens/smoking.html

Almost everyone knows that smoking causes cancer, emphysema, and heart disease; that it can shorten your life by 10 years or more; and that the habit can cost a lot of money.

Healthy

Smoking

Consequences smoking

Smoking is bad for your health, everyone knows that. Why? Because it has carcinogenic substances (tar), carbonmonoxide and nicotine (addictive).  

Asthma

Notes

1.  chronic lung disease - will NOT go away

2. muscles of the bronchioles contract - airways become small and difficult to breath

3. Symptom: shortness of breath

COPD

Notes:

1. Chronic inflammation (ontsteking) of the airways

2. Usually caused by smoking

3. Smoke causes mucous lining (slijmvlies) to swell up and produce more mucous

4. Bronchioles and alveoli are also blocked - severe case

to do

read basic 1.5 
Complete ex. 4  - 10 , p.39 - 42