Unit 4: Support and locomotion B2

Planning
  • Planning coming weeks 
  • Quick recap last week
  • Basic 2: the structure of bones (10 min)

  • Demo practicum  (20 min)
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Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 1

Cette leçon contient 15 diapositives, avec quiz interactifs et diapositives de texte.

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Planning
  • Planning coming weeks 
  • Quick recap last week
  • Basic 2: the structure of bones (10 min)

  • Demo practicum  (20 min)

Slide 1 - Diapositive

Planning coming weeks
Week
17 jan
B2 + B3
24 jan
B3 + B4
31 jan
Repetition + test

Slide 2 - Diapositive

Learning goals
  • You can describe the structure of bone tissue and cartilage tissue.
  • You can describe how the composition of the bones changes during a person’s life.

Slide 3 - Diapositive

What is not a function of the skeleton?
A
Gives support and gives shape
B
The skeleton helps us think
C
Protects organs
D
Helps is move together with muscles

Slide 4 - Quiz

The skeleton is a ...
A
organism
B
organsystem
C
organ
D
tissue

Slide 5 - Quiz

The cat is a ...
A
Plantigrade - walks on the soles of the feet
B
digitigrade - walks on the toes
C
unguligrades - walks on hooves

Slide 6 - Quiz

Bones and cartilage
The skeleton consists out of 2 types of tissue: 
Bone and cartilage 

But..
What are bones made of?

Slide 7 - Diapositive

Structure of bones
Bones exist out of calcium phosphate and collagen

Calcium phosphate makes the bone strong and rigid.
Collagen makes the bone flexible

Slide 8 - Diapositive

Slide 9 - Diapositive

Changes of bone tissue
The skeleton of a baby consists mostly of cartilage tissue.
During growth, most of the cartilage changes to bone.

When you get older:
--> Amount of collagen decreases
--> amount of calcium phosphate increases.





Slide 10 - Diapositive

baby is flexible because they have a lot of collagen in their bones
Old people break bones easier because they have less collagen.
Based on what you've learned, make fitting text, include the word collagen
Based on what you've learned, make fitting text, include the word collagen

Slide 11 - Diapositive

Where do bones exist of?
A
Collagen and calcium phosphate
B
Cartilage and calcium phosphate
C
cartilage
D
collagen

Slide 12 - Quiz

Do the bones of older people have more collagen?
A
yes
B
no

Slide 13 - Quiz

Do the bones of baby's have more calcium phosphate?
A
yes
B
no

Slide 14 - Quiz

Demo practicum
We are going to look at the collagen and calcium phosphate in bones.

Slide 15 - Diapositive