SKELETAL SYSTEM Assignment #10

Cranium Mandible Sternum Rib Vertebral Column Pelvis Sacrum Coccyx Clavicle Scapula Humerus Ulna Radius Carpals Metacarpals Phalanges Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges

Skeletal System Functions Support Give Shape Protection of Organs Place for muscles to attach Produce red Blood Cells Storage of minerals and some fat

Long BoneShort Bone Flat BoneIrregular Bone Support, strongAs wide as they are long Provides Protection bones which do not fall into any other category TYPES OF BONES

Skeletal Joints Where 2 or more bones come together Ball and Socket: allows for greatest movement – hip, shoulder Gliding: surfaces slide over one another – wrist, ankle, thumb (saddle joint) Hinge: movement on one plane – elbow, knee, fingers, toes Immovable/Suture: provides for growth not movement – cranium Pivot : bones spin and twist around other bones neck, radius of elbow

Types Of Joints Pivot Hinge Ball & SocketGliding Top of the neck Shoulder/Hip Elbow/Knee Intercarpal joints

Ligaments Type of connective tissue “ties” bones together

Tendons Type of connective tissue Attaches muscles to bones and muscles to muscles

Cartilage Type of connective tissue Found in a variety places in the body On end of bones provides cushion and keeps bones from grinding against each other Damaged or lack of cartilage can cause arthritis – can be very painful and limit motion

Connective Tissues