Skeletal system

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

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

Slide 13 - Quiz

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

Slide 14 - Quiz

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

Slide 15 - Quiz

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

Slide 16 - Quiz

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

Slide 17 - Quiz

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

Slide 18 - 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 19 - Quiz

Slide 20 - Slide

Slide 21 - Slide

Evolution completely
Just the skeleton (from E to A)

Slide 22 - Slide

Slide 23 - Slide

Slide 24 - Slide

Any questions?

Slide 25 - Slide