Gas exchange and breathing

Gas exchange and breathing
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Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 3

Cette leçon contient 13 diapositives, avec quiz interactifs, diapositives de texte et 2 vidéos.

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Gas exchange and breathing

Slide 1 - Diapositive

Today's planning
At the end of the lesson...
  • ... you will have checked your homework
  • … you can explain what gas exchange is and how it works
  • ... you can describe the different steps of  chest breathing and abdominal breathing

Slide 2 - Diapositive

Before you continue...
... did you do your homework?
No? Do so first.
Yes? Please continue with this lesson.

Slide 3 - Diapositive

6

Slide 4 - Vidéo

00:19
The video does not mention the goal respiration. What is the main purpose of respiring?

Slide 5 - Question ouverte

00:46
The tiny blood vessels are called 'lung capillaries'. They are very thin. Explain why they should be very thin.

Slide 6 - Question ouverte

01:50
Oxygen needs to go to into the blood vessel and then into a red blood cell. How many membranes does it pass?
A
1
B
2
C
3
D
4

Slide 7 - Quiz

02:07
Diffusion of oxygen and carbondioxide is important. Explain why this is.

Slide 8 - Question ouverte

02:14
The video shows breathing out of oxygen. Is this correct? Explain your answer.

Slide 9 - Question ouverte

02:24
What is gas exchange?

Slide 10 - Question ouverte

Drag the boxes on the right to the correct place in the picture.
Alveolus
Oxygen
Red blood cell
Blood with little oxygen
Blood with lots of oxygen
Air
CO2

Slide 11 - Question de remorquage

Slide 12 - Vidéo

The end of this part
Continue with the following exercises in your book/on your laptop:
8.2 completely
SUMMARIZE 8.1 & 8.2

Slide 13 - Diapositive