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Biologie
Middelbare school
havo, vwo
Leerjaar 1
This lesson contains
14 slides
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interactive quiz
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1 video
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Items in this lesson
Slide 1 - Slide
SKELETONS
Slide 2 - Mind map
Slide 3 - Video
FUNCTIONS OF THE SKELETON:
SUPPORT
MOVEMENT
PROTECTION
BLOOD CELL PRODUCTION
Slide 4 - Slide
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
Slide 5 - Slide
MOVEMENT
BECAUSE OUR MUSCLES PULL ON BONES AND THE BONES THEN MOVE.
OUR MUSCLES ARE ATTACHED TO THE BONES WITH TENDONS.
Slide 6 - Slide
PROTECTION
IMPORTANT ORGANS ARE PROTECTED BY BONES.
LIKE YOUR LUNGS, HEART AND BRAIN
Slide 7 - Slide
MAKE BLOOD
THE BONE MARROW OF LARGER BONES CAN PRODUCE BLOOD CELLS.
PLATELETS, RED AND WHITE BLOOD CELLS
I-Books p. 2-3
Slide 8 - Slide
TYPES OF SKELETONS:
EXOSKELETON
ENDOSKELETON
LIQUID SKELETON
Slide 9 - Slide
ENDOSKELETON
THE BONES ARE INSIDE THE BODY.
OFTEN MADE OF CALCIUM AND COLLAGEN.
I-Books p. 4-5
Slide 10 - Slide
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
Slide 11 - Slide
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
Slide 12 - Slide
Slide 13 - Slide
Build your own pasta skeleton
Slide 14 - Slide
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