Lesson 1

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

HAVE READY

• The tables in straight rows & your backs to me
• All programs closed on your Mac except Google Chrome with only lessonup (check code). No other tabs or desktops active
• Maximum brightness (F2) and Maximum sound (F12)
• Check force quit under the 🍏 logo (top left). (Only Chrome and Finder.)

CHOOSE YOUR CLASS:

• Type your name as username.
• Work hard, you only have 30 minutes from the moment you log in.

T1B

T1E

HAVE READY

• Tables back how they should be.
• A new folder in your drive (bio- booklet 2)
• Your new notes ready (check classroom)
• Download your new booklet
• Your drawings

Map

SKELETONS

FUNCTIONS OF THE SKELETON:

• SUPPORT
• SHAPE
• MOVEMENT
• PROTECTION
• BLOOD CELL PRODUCTION

SUPPORT

• YOU CAN'T STAND UP STRAIGHT OR EVEN LIFT YOUR HEAD WITHOUT YOUR BONES
• WITHOUT THEM YOU WOULD BE A PUDDING

MOVEMENT

• BECAUSE OUR MUSCLES PULL ON THE BONES THE BONES THEN MOVE

• OUR MUSCLES ARE ATTACHED TO THE BONES WITH TENDONS

I-Books p. 2-3

PROTECTION

• IMPORTANT ORGANS ARE PROTECTED BY BONES
  

• SUCH AS YOUR BRAIN, HEART AND LUNGS
  

I-Books p. 2-3

BLOOD CELL PRODUCTION

• INSIDE THE BIGGER BONES THE BONE MARROW CAN PRODUCE BLOOS CELLS

• PLATELETS, RED AND WHITE BLOODCELLS

I-Books p. 2-3

The function ''support'' from the skeletal system is related to:

1. Producing blood cells
2. Protecting important organs
3. Standing up straight
4. Moving the body around

What is the main function of your skull?

1. protection
2. movement
3. support
4. blood cell production

The function ''movement'' from the skeletal system is related to:

1. Producing blood cells
2. Protecting important organs
3. Standing up straight
4. Moving the body around

What is the main function of your femur?

1. protection
2. movement
3. support
4. blood cell production

What are bones not made of?

1. collagen
2. phosphorus
3. calcium
4. sulfur

Worksheet!

• Macooks closed.
• Complete the worksheet in your groups.
• 10 minutes!

Answers!

- a. lion - 11                                      - h. bat - 5

- b. whale - 4                                  - i. turtle - not there

- c. frog - 10                                    - j. crocodile - 12

- d. salamander - 8                     - k. dolphin - 3

- e. penguin - 9                            - l. rabbit - 7

- f. snake - 1                                  - m. ostrich - 6

- g. fish - 2                                    - no name - 13 - cow

CLASSIFICATION

MAMMALS: 3, 4, 5, 7, 11 & 13

FISH: 2

REPTILES: 1, 12 & TURTLE

AMPHIBIANS: 8 & 10

BIRDS: 6 & 9

LIQUID SKELETON

• NO BONES
• THERE ARE TUBES FULL OF LIQUID
• THESE ARE USUALLY WATER ANIMALS
• WORMS HAVE THIS TYPE OF SKELETON

I-Books p. 4-5