OB 24

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OB 24 OB 25

• The Human Skeleton

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Learning Objectives

• OB24 identify the main parts of the human
  skeleton and understand that the functions are
  support, movement and protection
• OB25 locate the major bones in the human body
  including the skull, ribs, vertebrae, collarbone,
  shoulder blade, humerus, radius, ulna, pelvis,
  femur, tibia and fibula, using a diagram or a
  model skeleton

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Main Parts of Human Skeleton
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Main Parts of Human Skeleton
head
ribcage
backbone
arm
pelvis
leg
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Functions of skeleton

• Support
• Movement
• Protection

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Location of main bones
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Location of main bones
skull
collarbone
rib
shoulder blade
humerus
vertebra
ulna
pelvis
radius
femur
tibia
fibula
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Can you remember?

• How many functions does the skeleton have?
• 3

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Can you remember?

• What are those three functions?
• Support
• Movement
• Protection

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Can you remember the main parts?
head
ribcage
backbone
arm
pelvis
leg
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Can you locate the main bones?
skull
collarbone
rib
shoulder blade
humerus
vertebra
ulna
pelvis
radius
femur
tibia
fibula
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Well Done Take a bow
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OB26

• Movement

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Learning Objectives

• OB26
• understand the function of joints and muscles
• (including antagonistic pairs),
• tendons and ligaments,
• and the relationship between these and bones

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Bones and muscles of the arm
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How would YOU raise the arm?
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Were you right?
bone pulled upward
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How would you lower the arm?
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Were you right?
biceps relaxes
bone pulled downward
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Watch the muscles.
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Watch the muscles.
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Watch the muscles.
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Watch the muscles.
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Watch the muscles.
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Watch the muscles.
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Watch the muscles.
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Can you locate the HINGE?
?
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Can you locate the HINGE?
?
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You are correct if you located it here
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You are correct if you located it here
the hinge is where the bones are allowed to move
about each other, raising and lowering the arm
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To be continued