Transcript The Skeletal System

The
Skeletal
System
Human Skeleton
• Purpose of bones:
• Determines _________ of your body
• ___________ internal organs
• ___________ attachment
• Produces ________ cells
• Humans have _____ bones
Types of Bones
1.
2.
3.
4.
5.
_____ bones
_______ bones
______ bones
___________ bones
___________ bones
Types of Joints
• Firbous joints
• ______________ movement
• Ex: sutures of skull
• Cartilaginous Joints
• Little movement, attached by ___________
• Ex: ribs, spine
• Synovial Joints
• Freely ___________
• ___ types of movement
Endoskeleton
“_________ the body”
Made of:
• _______ skeleton
–
–
–
–
Backbone
Skull
Ribs
Sternum
• _______________ skeleton
– everything else
Axial
Skeleton
Protects the
________ cord
and vital _______
Vertebral
Column
•33 bones
•7 ________
•12 _________
•5 ________
•5 _______ (fused)
•4 _______ (fused)
aka “tailbone”
Ribs
and
Sternum
•Ribs 1-7: _____ Ribs
•attach to sternum
•Ribs 8-10: ______ Ribs
•attach to cartilage
of rib 7
•Ribs 11-12: ________ Ribs
•have no front
attachment
The Skull
• Protects your ______
and spinal cord
• Made of:
– 8 _________ bones
– 14 ________ bones
Appendicular
Skeleton
• ______ bones
6 Sections of
Appendicular
Skeleton
1.
2.
3.
4.
5.
6.
___________
_____
______
_______
_____
_____
The Muscular SYstem
Types of Muscles
• __________ Muscle
• attached to bones
• voluntary movement
• ___________ Muscle
• form the walls of the heart
• involuntary movement
• ___________ Muscle
• walls of hollow structures (veins, bladder,
stomach, etc.)
• involuntary movement