Skeletal System

How many bones are in an adult human body? 206

Function of the Skeletal System Support- framework that supports body and cradles its soft organs Protection- for delicate organs, heart, lungs, brain Movement- bones act as levers for muscles Mineral storage- calcium & phosphate Blood cell formation- hematopoiesis (Bone Marrow)

Types of Bones Long Bones- metacarpals, metatarsals, phalangies, humerus, ulna, radius, tibia, fibula & femur Short Bones- carpals, tarsals Flat Bones- rib, scapula, skull, sternum Irregular Bones- vertebrae, some facial bones Sesamoid (round)- patella

Type of Bone Joints Pivot Ball & Socket Hinge Saddle Gliding Conyloid

The Cranium or (Skull)

The Mandible (jaw bone)

The Maxilla (upper lip bone)

The Clavicle (collar bone)

The Sternum (breast bone)

The Humerus (upper arm)

The Radius (Thumb side)

The Ulna (pinky side)

The Carpals (wrist bones)

The Metacarpals (hand bones)

The Phalanges (fingers)

The Illium or pelvis (hip bone)

The Femur (largest bone)

The Patella (knee cap)

The Fibula (kick stand)

The Tibia (shin bone)

The Tarsals (ankle bones)

The Metatarsals (foot bones)

The Phalanges (toes)

The Scapula (shoulder blade)

The Cervical (top 7 vertebraes)

The Thoracic (middle 12 vertebraes)

The Lumbar (bottom 5 vertebraes)

The Sacrum (base of vertebrae)

The Coccyx (tail bone)