The Skeletal System

It helps in digestion

It supports and protects the body, enables movement, stores minerals, and makes blood

It controls the nervous system

It produces hormones

Osteoblasts

Osteoclasts

Osteocytes

Chondrocytes

Long bones are found in the leg, arm, and fingers.

Short bones are found in the wrist, ankle, and knee cap.

Flat bones are found in the head, ribs, and hip.

Irregular bones are found in the spine and face.

Protects the bone from wearing down as it hits other bones

Stores fat

Produces blood cells

Provides structural support

Condyle

Foramen

Fossa

Sinus

Trochanter

Tubercles

Process

Condyle

Occipital

Parietal

Mandible

Temporal

Maxilla

Mandible

Zygomatic

Lacrimal

True ribs

False ribs

Floating ribs

Costal ribs

Scapula

Clavicle

Humerus

Radius

Ilium

Ischium

Pubis

Femur

Tarsals

Metatarsals

Phalanges

Carpals

Immovable

Slightly Movable

Freely Moveable

Elastic

Gliding

Pivot

Sutures

Synchondroses

Saddle joint; Metacarpals and carpals

Hinge joint; Elbow/ulna and humerus

Condylar joint; Metacarpals and phalanges

Ball and Socket joint; Shoulders and hips

Axial skeleton (skull, thoracic cage, vertebral column) and appendicular skeleton (upper and lower extremities)

Cranial skeleton (skull, jaw) and postcranial skeleton (spine, limbs)

Central skeleton (spine, ribs) and peripheral skeleton (arms, legs)

Superior skeleton (head, arms) and inferior skeleton (legs, feet)