Bricks 4.1 introduction Skeletal systems

The skeletal system
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Slide 1: Slide
BiologieMiddelbare schoolvwoLeerjaar 1

This lesson contains 25 slides, with interactive quizzes and text slides.

Items in this lesson

The skeletal system

Slide 1 - Slide

Skeleton
Organ system: Skeletal system
Organs: Bones
Tissues: Cartilage, bone, Marrow
Cells: Bone cells
Other: Calcium, collagen, blood vessels 

Slide 2 - Slide

Which bones do you
already know?

Slide 3 - Mind map

Why do we have a
skeleton?
(looking for 5 best answers)

Slide 4 - Mind map

5 main functions
*Stability
*Protection of vital organs
*Shape
*Production of blood cells
*Movement (with muscular system)

Slide 5 - Slide

3 kinds of skeletons

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Slide

Some characteristics
Endo - on the inside, grows easily, normal weight.
Exo - on the outside, cannot grow, very heavy
Hydro - on the outside, grows easily, filled with water, very light (sort of skin)
3 skeletons: Endo - Exo - Hydro - skeleton

Slide 9 - Slide

What kind of skeleton does a snake have?
A
Endoskeleton
B
Exoskeleton
C
Hydrostatic skeleton
D
Just its skin

Slide 10 - Quiz

What is not a function of the skeleton?
A
Strength
B
Flexibility
C
Production of blood cells
D
Stability

Slide 11 - Quiz

What kind of skeleton does a jellyfish have?
A
Endoskeleton
B
Exoskeleton
C
Hydrostatic skeleton
D
Just its skin

Slide 12 - Quiz

Invertebrates
  • Don't have a backbone
  • No endoskeleton

  • Some invertebrates have a skeleton (exoskeleton) and legs, others don't

Slide 13 - Slide

What kind of skeleton does this golden jewel beetle have?
A
Endoskeleton
B
Exoskeleton
C
Hydrostatic skeleton
D
Just its skin

Slide 14 - Quiz

What kind of skeleton does this blue caterpillar have?
A
Endoskeleton
B
Exoskeleton
C
Hydrostatic skeleton
D
Just its skin

Slide 15 - Quiz

What kind of skeleton does this betta fish have?
A
Endoskeleton
B
Exoskeleton
C
Hydrostatic skeleton
D
Just its skin

Slide 16 - Quiz

Vertebrates

Slide 17 - Slide

classification of animals
Animals are divided into invertebrates (ongewervelden) en vertebrates (gewervelden).

Today focus:
 vertebrates

Slide 18 - Slide

Exoskeleton




Arthropods (geleedpotigen),e.g. insects and spiders, 
have a skeleton made of chitin
This skeleton doesn't grow 
-> the animal has to moult. 

Slide 19 - Slide

Arthropods
Crabs, lobsters and insects.
have an exoskeleton made of chitin. 

The joints are located at the outside of the skeleton and the muscles at the inside.

Slide 20 - Slide

Animals with an exoskeleton can
A
not grow
B
grow
C
only grow when they moult
D
only grow once

Slide 21 - Quiz

Animals with an endoskeleton have muscles outside/inside their bones.
A
outside
B
inside

Slide 22 - Quiz

Animals with an exoskeleton have muscles outside/inside their bones
A
outside
B
inside

Slide 23 - Quiz

All skeletons have their own weight. What is the correct order from heavy to light?
A
exo - hydro - endo
B
exo - endo - hydro
C
endo - exo - hydro
D
hydro - endo - exo

Slide 24 - Quiz

Slide 25 - Slide