U4 B4 1HVTTO

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

B4 Muscles

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

       Laptop/Book

       Notebook, pencil case

• Bag on the floor
  
• Read pages 31-33

Lessongoals

• You can explain how muscles work.
• You can give examples of voluntary and involuntary muscle movements.

Homework U4 B4

Asgmt 1-7, 4c

OR challenge

Asgmt 5-9

Wheel of homework

Go to Lessonup.app and use this code

Reward

Penalty

What bone connection(s) doesn't allow any movement?

1. Only fused
2. Fused and sutures
3. Sutures and cartilage
4. All of these 3 types can move

Ulna and radius (the bones between elbow and wrist) form a ... joint.

1. ball-and-socket
2. pivot
3. hinge

What connection is found between your vertebrae?

1. fused
2. sutures
3. cartilage
4. joint

What connection is found between your skullbones?

1. fused
2. sutures
3. cartilage
4. joint

What connection is found in your knee?

1. fused
2. sutures
3. cartilage
4. joint

What is the name of the big bone you sit on?
(1 word)

Attachment site

Tendons are connected to a bone, this part of the bone is called an attachement site

Tendon

Tendons connect a muscle to a bone. Tendons are unable to contract.

Muscle

Muscles contract. This makes them shorter and thicker.

Antagonistic pairs

Muscles can only pull, not push.

Often, muscles work together when moving bones.

Muscle 1 contracts, 2 relaxes

Muscle 2 contracts, 1 relaxes

These muscles are an:

 antagonistic pair

Voluntary and involuntary movements

Skeletal muscles > move voluntary (when you want them to)

• Legs, arms, neck, back, etc.

Organ muscles > move involuntary (on their own, without you controlling it) 

• Heart, oesophagus, skin, stomach, etc.

What you should do: U4 B4

• Pages  31-37
• Asgmt  1-7, 4c

OR challenge

• Asgmt 5-9

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: U4 B4

• Pages 31-37
• Asgmt 1-7, 4c

OR challenge

• Asgmt 5-9

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