V3 bs 3 and 7

TODAY' S PLANNING

- Gas exchange (alveoli)

- Smoking and diseases

1 / 21

Slide 1: Slide

BiologieMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 21 slides, with interactive quiz, text slides and 2 videos.

Items in this lesson

TODAY' S PLANNING

- Gas exchange (alveoli)

- Smoking and diseases

Slide 1 - Slide

K.P.68

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Video

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

Slide 5 - Drag question

BS 7 SMOKING - why is it bad?

Slide 6 - Slide

Quick summary:

RESPIRATION
VENTILATION
GAS EXCHANGE

Slide 7 - Slide

timer

15:00

Slide 8 - Slide

MAMMALS:

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

Slide 9 - Slide

AMOEBA:

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

Slide 10 - Slide

Slide 11 - Slide

WORMS:

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

Slide 12 - Slide

Slide 13 - Slide

FISH:

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

Slide 14 - Slide

Slide 15 - Slide

INSECT:

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

Slide 16 - Slide

Slide 17 - Slide

Slide 18 - Video

www.blf.org.uk

Slide 19 - Link

DISEASES:

ASTHMA
BRONCHITES
EMPHYSEMA
LUNG CANCER
DAMAGE FROM SMOKING/DRUGS

Slide 20 - Slide

Get to work

Complete worksheet bs 1 to 5

This is homework for the next lesson

Already finished?
Make exercise 28 and 30 (bs 7)