B4 U1 2HVTTO

B4 Breathing
  • Jacket in your locker
  • Put your things on your desk
       Laptop/Book
       Notebook, pencil case
  • Bag on the floor
  • Read pages 27-28
timer
5:00
Lessongoals
  • You can state the differences between inhaled and exhaled air.
  • You can describe how inhalation and exhalation are achieved
Homework U1 B4
Asgmt 1-8, 4c
OR challenge
Asgmt 1, 5-10, 4c
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Slide 1: Diapositive
BiologieMiddelbare schoolhavo, vwoLeerjaar 2

Cette leçon contient 23 diapositives, avec quiz interactifs, diapositives de texte et 2 vidéos.

time-iconLa durée de la leçon est: 45 min

Éléments de cette leçon

B4 Breathing
  • Jacket in your locker
  • Put your things on your desk
       Laptop/Book
       Notebook, pencil case
  • Bag on the floor
  • Read pages 27-28
timer
5:00
Lessongoals
  • You can state the differences between inhaled and exhaled air.
  • You can describe how inhalation and exhalation are achieved
Homework U1 B4
Asgmt 1-8, 4c
OR challenge
Asgmt 1, 5-10, 4c

Slide 1 - Diapositive

Dinand owns a bottle containing nitrogen (N2). He let's some of this gas (nitrogen) go into a beaker with clear limewater.
What will happen?
A
Limewater stays clear
B
Limewater becomes cloudy quickly
C
Limewater becomes cloudy slowly
D
Limewater?

Slide 2 - Quiz

Samir also owns a bottle, this one contains an unknown gas. He also let's some of this gas go into limewater. The limewater becomes cloudy.
The gas must be ..
A
Oxygen (O2)
B
Carbon dioxide (CO2)
C
Nitrogen (N2)
D
Helium (H2)

Slide 3 - Quiz

What part in the pharynx (throat) prevents food from getting in your nasal cavity
A
tongue
B
epiglottis
C
uvula
D
oesophagus

Slide 4 - Quiz

Your body contains alveoli.
How many do you think there are?

Slide 5 - Question ouverte

The windpipe is always open.
Rings made out of ..?.. keep it open.

Slide 6 - Question ouverte

Breathing through your nose is healthier than through your mouth because ...

Slide 7 - Carte mentale

Oxygen is taken out of the inhaled air, it goes into the blood
O2
The alveolus
Carbon dioxide goes from your blood into the air inside the alveolus
CO
the walls of the alveolus are only 1 layer of cells thick. This makes exchanging of gas very easy.
The lungs contains millions of alveoli, many more than are shown on the image.
One of these balls is shown in a cross-section on the left.
Your lungs are filled with about 480 million of them
?

Slide 8 - Diapositive

Blood transport oxygen to your cells
Blood transports carbon dioxide to your lungs
Cells use the oxygen together with glucose from your food to do respiration

Slide 9 - Diapositive

2

Slide 10 - Vidéo

06:40-06:48

Slide 11 - Diapositive

06:54-06:57
Alveoli

Slide 12 - Diapositive

Chest breathing
Abdominal breathing
  • Most people
  • Ribs move up and down
  • This movement 'sucks' air into the  lungs
  • Often learned behaviour
  • Diaphragm moves up and down
  • This movement 'sucks' air into the lungs
Many people use a mix of these types of breathing

Slide 13 - Diapositive

5

Slide 14 - Vidéo

00:16
What gas is your breathing mainly for?

Slide 15 - Question ouverte

00:17-00:22
Chest breathing

Slide 16 - Diapositive

00:26-00:31
Abdominal breathing

Slide 17 - Diapositive

01:26
Finally the air you inhale enters the ..

Slide 18 - Question ouverte

02:12
Why does your body need oxygen?
for ..?..

Slide 19 - Question ouverte

1st choice: + OR Cheat sheet +1 cm2 OR Wheel





2nd and 3rd choice: Cheat sheet +1 cm2 OR Wheel



4th en 5th: Wheel 
TTO

Slide 20 - Diapositive

What you should do: U1 B4
  • Read pages  27-35
  • Asgmt  1-8, 4c
OR challenge
  • Asgmt 1, 5-10, 4c

Done with the above?
  • Work on the next chapter(s)
  • Learn for the test 
  • Make other homework
  • Read a book
Zs = Working in Silence
  • No asking questions
  • Silent, don't disturb anyone
  • Stay at your  desk
timer
6:00

Slide 21 - Diapositive

What you should do: U1 B4
  • Read pages 27-35
  • Asgmt 1-8, 4c
OR challenge
  • Asgmt 1, 5-10, 4c

Done with the above?
  • Work on the next chapter(s)
  • Learn for the test 
  • Make other homework
  • Read a book
Zw = Working with whispering
  • Teacher is available for questions
  • Only whisper with the student next to you
  • Stay at your  desk

Slide 22 - Diapositive

Tidy Duty
3 people each lesson
  • Desks: empty and straight
  • Chairs:  underneath the desks OR end of day: on the desks
  • Floor: no rubbish

Slide 23 - Diapositive