YR1-B2-LSN2

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

HAVE READY:

• Your Macbook.
• Google Classroom.
• Booklet 2 page 2. (download it from classroom)
• Your new notes file on Classroom.
• Check your homework is completed and submitted.

SKELETON

4 FUNCTIONS OF THE SKELETON:

• First read the text in silence.
• Then write it in your notes.
• Then discuss it with your neighbour.

I-Books p. 2-3

SUPPORT

• WE CAN'T STAND UP STRAIGHT OR EVEN LIFT OUR HEAD WITHOUT OUR BONES.
• WITHOUT THEM WE WOULD BE A PUDDING. 

I-Books p. 2-3

MOVEMENT

• BECAUSE OUR MUSCLES PULL ON BONES AND 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.
• LIKE YOUR LUNGS, HEART AND BRAIN 

I-Books p. 2-3

MAKE BLOOD

• THE BONE MARROW OF LARGER BONES CAN PRODUCE BLOODCELLS.
• PLATELETS, RED AND WHITE BLOOD CELLS

I-Books p. 2-3

3 TYPES OF SKELETONS:

• First read the text in silence.
• Then write it in your notes.
• Then discuss it with your neighbour.

I-Books p. 4-5

ENDOSKELETON

• THE BONES ARE INSIDE THE BODY.
• OFTEN MADE OF CALCIUM AND COLLAGEN.

I-Books p. 4-5

EXOSKELETON

• THE BONES ARE OUTSIDE THE BODY.
• THESE ANIMALS OFTEN NEED TO MOULT TO GROW.
• THEY OFTEN ALSO DO METAMORPHOSIS.

I-Books p. 4-5

LIQUID SKELETON

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

I-Books p. 4-5

THE BONES OF THE BODY:

• First read the text in silence.
• Then write it in your notes.
• Then discuss it with your neighbour.

I-Books p. 6-8

THE BONES:

• First read the text in silence.
• Then write it in your notes.
• Then discuss it with your neighbour.

THE NAMES OF THE BONES

Skull - Upper jaw (maxilla) - Lower jaw (mandible) - Cervical Vertebrae - Thoracic Vertebrae - Lumbar vertebrae - Clavicle (collar bone) - Scapula (shoulder blade) - Sternum (breast bone) - Humerus - Radius - Ulna - Carpals - Metacarpals - Phalanges (hand) - Pelvis (hip bone) - Sacrum - Coccyx (tail bone) - Ribs - Femur - Patella (knee cap) - Tibia - Fibula - Tarsals - Metatarsals - Phalanges (feet)

HW for lesson 3:

• Complete the hw exercises to your level.
• Check your notes are up to date.
• Start working on your mindmap!