U4 B3 1HVTTO

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

B3 Joints

• Take off your jacket
  
• Put your things on your desk
  

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 22-24

Lessongoals

• You can describe the types of joints
• You can describe the structure of a joint.
• You can describe how a ball-and-socket joint, a hinge joint and a pivot joint work.

Today

• Wheel of homework
• Recap
• Connecting bones
• Moving bones
• Time for hw
  
• End

Wheel of homework

Connect with the lesson

Reward

Penalty

Homework: 1-7, 4c pgs 17-19 

Which of these is NOT a function of the skeleton?

1. Giving shape
2. Make movement possible
3. Keeping organs in their spot
4. Protecting organs

What substance in a bone gives it rigidity?

1. Collagen
2. Callogen
3. Calcium phasphote
4. Calcium phosphate

What are fontanelles?

1. The bendable bones of a baby
2. The bendable bones in a baby's skull
3. The holes in between the skullbones of a baby
4. A special type of fountain

Bone tissue is strong and rigid. .... tissue is bendy. What word should be on the dots?

Immobile connections

• Fused 

Bones that have grown into 1 bone

• Sutures

Bones that are very close to each other

Moving connections

• Cartilage
  

Layer of cartilage in between bones

Small amount of movement

• Joint

Convex bone moves in concave bone

A joint

Ball-shaped bone

Socket bone

ligament

joint capsule

synovial fluid

cartilage

Keep the bones of the joint together

lets the bones move smoothly (lubricates)

stops wear and tear

Types of joints

• Ball-and-socket joint (moves in various directions)
• Hinge joint (Moves in 1 direction only)
• Pivot joint (Moves around axis of the other bone

Your elbow is a ..

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

Your knee is a ..

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

The arrow points to a ...

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

The arrow points to a ...

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

What you should do:

• Read pages  22-24
• Do asgmt  1, 2, 3, 5, 6 only a,b, 8 pgs. 25-28

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zs = Working in Silence

• No asking questions
• Silent, don't disturb anyone
  
• Stay at your  desk

What you should do:

• Read pages 22-24
• Do asgmt 1, 2, 3, 5, 6 only a,b, 8 pgs. 25-28

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zw = Working with whispering

• Teacher is available for questions
• Only whisper with the student next to you
• Stay at your  desk

Tidy Duty

Today these people are on tidy duty

• Desks: empty and straight
• Chairs:  underneath the desks
• Floor: no rubbish