L1: Functions of the Skeleton

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

Topic 2: Skeleton and Evolution

How many bones does the human skeleton have?

1. 406
2. 206
3. 270
4. 311

During this topic:

*We are going to look at the skeleton:

- function and types

- bones, joints and muscles

-comparing skeletons of different animals

*Evolution

Why do we have a
skeleton?
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Functions of the skeleton

1. Support: keeps the body up and keeps organs in place
2. Movement: by using muscles
3. Protection: keeps soft inner organs safe
4. Production of blood cells

Types of skeletons

Something to remember

Endo = Within / Inside

Exo = External / outside

Hydro=water

What kind of skeleton does a snake have?

1. Endoskeleton
2. Exoskeleton
3. Hydrostatic skeleton
4. Just its skin

What kind of skeleton does a jellyfish have?

1. Endoskeleton
2. Exoskeleton
3. Hydrostatic skeleton
4. Just its skin

What kind of skeleton does this golden jewel beetle have?

1. Endoskeleton
2. Exoskeleton
3. Hydrostatic skeleton
4. Just its skin

All skeletons have their own weight. What is the correct order from heavy to light?

1. exo - hydro - endo
2. exo - endo - hydro
3. endo - exo - hydro
4. hydro - endo - exo

What is the main function of your skull?

1. protection
2. movement
3. support
4. blood cell production

Work

On classroom choose 1 of the 3 assigments 

• 1: the bald eagle (Easy)
• 2: the damselfly (Medium)
• 3: the octopus (Difficult)