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Skeletal and muscular system
- Function
- Protection
- the cranium
and ribs protect
the brain and
vital organs in
the chest.
- the cranium
and ribs protect
the brain and
vital organs in
the chest.
- Movement
- muscle are attached
to bones, which are
jointed. When the
muscles contract the
bones move.
- muscle are attached
to bones, which are
jointed. When the
muscles contract the
bones move.
- Blood production
- red blood cells (to carry
oxygen) and white blood
cells (to protect against
infection) are produced in
the bone marrow of some
bones.
- red blood cells (to carry
oxygen) and white blood
cells (to protect against
infection) are produced in
the bone marrow of some
bones.
- Support
- holds your vital organs in place
when playing sport. The
vertebral column holds the
body upright.
- holds your vital organs in place
when playing sport. The
vertebral column holds the
body upright.
- Shape
- gives shape to
the body and
makes you tall or
short.
- gives shape to
the body and
makes you tall or
short.
- Protection
- Function
- Motion
- walking, running etc.
- walking, running etc.
- Maintained posture
- standing, sitting etc.
- standing, sitting etc.
- Heat production
- maintain
normal body
temperature
- maintain
normal body
temperature
- Motion
- Bones of the body
- `Muscles of the body
- Antagonistic muscles
- What are they?
- Muscles can pull but not push,this would cause an issue if a joint was controlled
by one muscle.When the muscle had contracted and pulled on the bone,there
would be no way to move the bone back therefore our muscles are in pairs.
- Biceps and triceps are antagonistic muscles
- when the biceps muscle contracts,
the forearm moves upwards
- when the triceps muscle
contracts, the forearm
moves down
- when the biceps muscle contracts,
the forearm moves upwards
- Biceps and triceps are antagonistic muscles
- Muscles can pull but not push,this would cause an issue if a joint was controlled
by one muscle.When the muscle had contracted and pulled on the bone,there
would be no way to move the bone back therefore our muscles are in pairs.
- What are they?
- Antagonistic muscles
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