U4 B1 1HV skeleton

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

B1 The skeleton

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

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 8-10

Lessongoals

• You know the parts of the body
• You can recognize the bones in a picture of a skeleton
• You can name the 4 functions of the skeleton

Today

• Unit 4
• The skeleton
• Why do we need a skeleton?
• Time for hw
  
• End

Unit 4 is called: support and locomotion
What does locomotion mean?

Which bones in the human body do you know?

Pectoral girdle

Ribcage

Pelvic girdle

Torso = The limbs and head are connected to the torso

Limb = the arms and legs are limbs

Important parts

vertebra

thighbone

skull

breastbone

rib

pelvis

Why have a skeleton?

Functions

The skeleton performs 4 functions:

1. Rigidity and sturdiness
2. Makes movement possible
3. Protects organs
4. Gives shape to the body
5. Produces red blood cells

What you should do:

• Read pages 8-10
  
• Do ex. 5, 6 and 8, pages 12-14

Done with the above?

• Work on the task
  U4 B1 (ex. 1, 2, 3, 4 and 7)
  U4 B2 (ex. 1, 2, 3, 5 and 8)
• 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 8-10
• Do ex. 5, 6 and 8, pages 12-14

Done with the above?

• Work on the task
  U4 B1 (ex. 1, 2, 3, 4 and 7)
  U4 B2 (ex. 1, 2, 3, 5 and 8) 
• 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