YR2-CH5&6-LSN3

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

HAVE READY:

GOOGLE CLASSROOM

KERBOODLE PAGE 70

your homework FOR TODAY

TODAY- LESSON 3:

Gas exchange (alveoli)

Respiration and gas exchange in other animals.

Smoking and diseases

Homework for lesson 3:

Complete worksheet lungs and breathing 1

Complete worksheet lungs and breathing 2

Complete worksheet paperclip 3

Update your mindmap

Study for the glossary

K.P.68

moisture the alveolus

High oxygen concentration.

High carbon dioxide concentration.

one cell layer thick

cappilaries around the alveoli

oxygen goes into the red blood cells

oCarbon dioxide goes into the air

Red blood cell transport gasses

Quick summary:

• RESPIRATION
• VENTILATION
• GAS EXCHANGE

MAMMALS:

• lungs (alveolar wall)
• mucus
• air
• carried in the blood through the bloodvessels.
• the lungs are made up of millions of tiny airsacs (alveoli)

AMOEBA:

• cell membrane
• they live in water
• water
• through diffusion
• folds in the cell membrane

WORMS:

• the skin
• the cover the skin with mucus
• air (mostly)
• through bloodvessels
• through ridges in the skin

FISH:

• in gills
• with water
• water
• through bloodvessels
• many gills overlapping on gill ridges

INSECT:

• spiracles
• water
• air
• through tubes called spiracles on the side of the body
• the tubes go far into the body.

DISEASES:

• ASTHMA
• BRONCHITES
• EMPHYSEMA
• LUNG CANCER
• DAMAGE FROM SMOKING/DRUGS

Homework for lesson 4:

Complete the exercises on tb pages 78 and 79

Work on your mindmap

Study for the Notes Quiz