4.3 - Joints

• Biologie
• Middelbare school
• havo
• Leerjaar 1

How movement comes about 

4.3 Joints

Why is there calciumphosphate in our bones?

1. Flexibility
2. Rigidity
3. So we don't have to drink milk (store calcium)
4. There's no calcium in our bones

Why is there 'collagen' in our bones?

1. Flexibility
2. Rigidity
3. To stay young
4. There's no collagen in our bones

What types of joints
(connection between bones)
exist in your body?

Immobile   --    Mobile

Connection between seperate bones

1. Fused vertebrae

2. Sutures

3. Cartilage

4. joints

Welke botverbindingen kunnen bewegen?

1. Fused
2. Suture
3. Cartilage
4. Joint

Cartilage between breastbone and ribs

Cartilage between vertebrae

*you're taller in the morning than in the evening, how come? 

1. ball-and-socket joint

2. Pivot joint

3. Hinge joint

Grapje met hand omdraaien!?

Which connection is most flexible?

1. Pivot (lower arm)
2. Connection with cartilage (ribs)
3. ball-and-socket (hip)
4. Hinge (finger)

Hipjoint

Wat zit er aan het eind
van een kippenbot uit
de poot van de kip?

1. Bone
2. Skin
3. Cartilage
4. Muscle

Basisstof 4.3 (Hw)

Maak opdr. 5-7

- Je lengte thuis laten opmeten net voordat je gaat slapen

en 's ochtends als je net wakker bent. Schrijf deze op in je aantekeningenschrift.