4.7 bone shape and function

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

H4 Support and locomotion

 Planning 

- Repeat quiz BS 1 to 4

- BS 4.7 bone shapes and funtions

What do old people have less in their bones than young people?

What do young people have less in their bones than old people?

Which substance (=stofje) makes cartilage flexible?

1. Calcium phosphate
2. Collagen
3. Rubber

Extracellular material

Cartilage tissue: Lots of collagen which makes it flexible

Bone tissue: Calcium phosphate to make it hard and firm, collagen for a little movement

Bones can be connected together in four ways. What four connections are there?

How the bones are connected

4 types of bone connections:

- Suture (naadverbinding)

- Fused (vergroeid)

- With cartilage (kraakbeen)

- With a joint (gewicht)

Antagonistic muscle pairs do the opposite from eachother

1. False
2. True

How do muscles work

Antagonistic pair:

Two muscles that have opposite effects (flexor and extensor) 

• Alle spieren in ons lichaam hebben antagonisten

Biceps = Buigspier      Triceps = Strekspier

BS 4.7 bone shape and function 

Learning goal

- At the end of this lesson:

You can describe the relationship between the shape and function of bones.

Grab your notebook

The same, but different...

A streamlined body (gestroomlijnd lichaam)

Where are you walking on?

Waar loop je op?

Plantigrades = zoolgangers

Digitigrades = teenganger

Unguligrades = topganger

Arched (gebogen) for strength

De mens leert van de natuur

Veel van de dingen die de mens gemaakt heeft, zijn eigenschappen die in de natuur voorkomen. 

Get to work

- Unit 4 basics 7 (homework for tomorrow) 

Assignments 1, 2, 3, 4 and 6. 

Ready? 

- Make Test Yourself or a summary (samenvatting)

Basics 1, 2, 3, 4 and 7 

Good luck! 

Wat moet je leren voor de toets?

Unit 4 support and locomotion

Basics 1, 2, 3, 4 and 7 

- Blauwe begrippen

- Oefen met test yourself & oefentoets

- Alle afbeeldingen, behalve afb. 1 the human skeleton and afb. 1 the musclesystem! 

Good luck!