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

Fill in the gaps: Cartilage cells make ...(1)...: this is material that is made in the cell but released in the cell's environment. The ECM made by cartilage cells predominantly (=vooral) consist of the substance ...(2)... . The cells and the ECM together form the ...(3)....

Fill in the gaps: Bone cells also make ...(1)..., but they make ...(1)... with mostly ...(2)... and a little bit of ...(3).... When you look through a microscope, the tissue looks a bit different too: the bone cells are found in circles, around a hole. ...(4)... go through this hole.

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? 

aan het werk

Learnbeat C Bone connections, part 1 

Done? Read part 2 and make a summary 

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

Aan het werk

Maak C Bone connections, part 2 and 3

Bone connections

Recap bone connections

Discuss exercises part 2 

Microscopy 

Homework: C bone connections, part 3

Welke botverbindingen kunnen bewegen?

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

Immobile   --    Mobile

Connection between seperate bones

1. Fused vertebrae

2. Sutures

3. Cartilage

4. joints

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)

Discuss part 2 of bone connections

Microscopy 

Justus	Jurre
Yade	Antoinette
Emma	Andrea
Michael	Morris
Sven	Luca
Friso	Thomas
Felice	Tara

Zainab	Saar & Karlijn
Isolde	Wissal
Phileine	Mikki
Eddie	Daan
Robin	Yoosha