OB 24 & OB 25
The Human Skeleton
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
Main Parts of Human Skeleton
Main Parts of Human Skeleton
Functions of skeleton

Support

Movement

Protection
Location of main bones
Location of main bones
Can you remember?
How many functions does the
skeleton have?
3
Can you remember?
What are those three functions?
Support
Movement
Protection
Can you remember the main parts?
Can you locate the main bones?
Well Done – Take a bow…
OB26
Movement
Learning Objectives
OB26
understand the function of joints and muscles
(including antagonistic pairs),
tendons and ligaments,
and the relationship between these and bones
Bones and muscles of the arm
humerus
biceps
ulna
radius
How would YOU raise the arm?
humerus
biceps
ulna
radius
Were you right?
triceps
relaxes
bone pulled upward
How would you lower the arm?
biceps
humerus
radius
ulna
triceps
Were you right?
biceps relaxes
bone pulled downward
Watch the muscles….
Watch the muscles….
Watch the muscles….
Watch the muscles….
Watch the muscles….
Watch the muscles….
Watch the muscles….
Can you locate the HINGE?
?
Can you locate the HINGE?
?
You are correct if you located it here
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
To be continued…