BS 1 - Blood

Today's lesson
Start ch3: the circulatory system
- What is the circulatory system?
- §3.1 Blood and its parts


1 / 19
suivant
Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 2

Cette leçon contient 19 diapositives, avec quiz interactifs, diapositives de texte et 1 vidéo.

Éléments de cette leçon

Today's lesson
Start ch3: the circulatory system
- What is the circulatory system?
- §3.1 Blood and its parts


Slide 1 - Diapositive

What does circulation mean? Ex. A teacher circulates the room answering the students questions.
A
To move around.
B
To move in a circle.
C
To move backwards.
D
To move up and down.

Slide 2 - Quiz

The circulatory system

A system of tubes that moves substances around your body. 

The heart muscle powers this movement.

Slide 3 - Diapositive

What moves around in your body via the circulatory system?
A
cells, tissues, organs
B
eyes, ears, stomach
C
blood, food, oxygen
D
blood, nutrients, oxygen, CO2

Slide 4 - Quiz

Blood - What comes to mind?

Slide 5 - Carte mentale

What do we know already?
  • Unit 1: Blood carries oxygen & CO2
  • Unit 2: Blood carries nutrients

Slide 6 - Diapositive

Blood
  • Function: Blood transports everything your body needs
  • Ex. heat, nutrients, oxygen, CO2, waste products
  • Blood contains:
  1. Plasma: plasma proteins (ex. fibrinogen), water, dissolved substances 
  2. Solids: red and white blood cells, platelets

Slide 7 - Diapositive

What is blood?

Slide 8 - Diapositive

Red blood cells
  • Small round discs
  • No nucleus
  • Red pigment: haemoglobin
  • Function: absorb and release oxygen

Slide 9 - Diapositive

White blood cells
  •  Function: destroy pathogens (bacteria) 
  • Do have a nucleus
  • No fixed shape
  • Can squeeze through openings

Pus: Dead WBC and the bacteria they killed

Slide 10 - Diapositive

Platelets
  • Not cells 
  • Broken parts of cells
  • Function: clotting 
Clotting inside blood vessels is called thrombosis

Slide 11 - Diapositive

Worktime
Read 3.1 Blood
Make assignment 1 -4 and 6 - 9

Not finished? Homework!

timer
15:00

Slide 12 - Diapositive

Slide 13 - Vidéo

What is the function of the red blood cell (RBC)?

Slide 14 - Question ouverte

Why do we have white blood cells?
A
To protect us from suffocating
B
To protect us from bleeding out
C
To protect us from the cold
D
To protect us from pathogens

Slide 15 - Quiz

Recap - what was the lesson about?
1. The circulatory system
2. Blood and it's parts
         - red blood cells
         - blood plasma
         - white blood cells


Slide 16 - Diapositive

What did you learn today?

Slide 17 - Question ouverte

What questions do you still have about blood?

Slide 18 - Question ouverte

HW: 
Read 3.1 Blood
Make 1 t/m 4 & 5 t/m 9
 Extra: 10

Slide 19 - Diapositive