5 Functions of the Skeletal
System 1.provides shape and support
2.enables you to move
3.protects your internal organs
4.produces blood cells
5.stores certain material until you need
them
Important Facts:
**Adults have 206 Bones
**Infants have 275 bones and skeleton
made of mostly cartilage
Cartilage - is connective tissue that is
more flexible than bone-located between
bones at joints.
Ligament - strong connective tissueconnects bone to bone.
Types of Joints in the Body (use Diagram)
A. hinge joint (knee and elbow)
B. pivot joint (neck)
C. ball and socket (hip and shoulder)
D.gliding joint (wrists and ankles)
2 Types of Joint Movement
1.Movable Joint-most joints in the body are
movable. They allow the body to make a
wide range of movement.
Joint Movement
• 1.Movable Joint-most joints in the body
are movable. They allow the body to
make a wide range of movement.
• 2. immovable joint-some joints in the body
allow little or no movement. Example:
skull
2 Types of Bones
1. Round Bonesmovement and
support
a. located in arms
and legs
Bone types cont.
2. Flat Bones-they are
involved in protecting
vital organs
a. Located in the skull,
ribs and scapula
• Taking care of bones
• 1. eat a healthy diet
• 2. exercise regularly
• 3. Eat foods high in calcium and
phosphorus
• ***As people get older their bones lose
minerals that they must contain. They
develop osteoporosis in which the body’s
bones become weak and brittle. Eat a diet
high in calcium and phosphorus.