Learnbeat C - Bone connections

• Biologie
• Middelbare school
• havo
• Leerjaar 1

Movement 

C - Bone connections

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

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 C (Hw)

Maak de opdrachten van C

- Je lengte thuis laten opmeten net voordat je gaat slapen

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

BS. C bone connections

• necessary for movement
• located at places where bones meet

Sutures 
(=naadverbinding)

• Baby's skull are not yet fused
• Fontanel: space between skull bones
• Schedelbeenderen groeien aan elkaar: sutures
• Fontanelles close up after about 18 months

Baby's worden geboren met losse schedelbeenderen. De ruimte tussen de schedelbeenderen heten fontanellen.

Immobile   --    Mobile

Connection between seperate bones

1. Fused vertebrae

2. Sutures

3. Cartilage

4. Joints

Hinge joint

Moves in one direction

ball and socket joint

gliding joint

pivot joint

rotating movement in one direction

fixed joint

Hinge joint

gliding joint

pivot joint

ball and socket joint

(home)work

Read basics 4 joints

Make exercise 13, 14 en 15