the skeleton

1. the bones

1.1. the skull (26 bones)

1.1.1. cranial part

1.1.2. facial part

1.2. the trunk

1.2.1. spinal column (or the spine) 32-34 vertebrae

1.2.1.1. cervical vertebrae (7)

1.2.1.2. thoracic vertebrae (12)

1.2.1.3. lumbar vertebrae (5)

1.2.1.3.1. vertebrae

1.2.1.4. sacral vertebrae (5)

1.2.1.5. the coccyx (1-5)

1.2.2. the chest (thorax)

1.2.2.1. 12 pairs of ribs

1.2.2.1.1. rib

1.2.2.2. the breastbone

1.2.2.3. 12 thoracic vertebrae

1.3. the lower extremity

1.3.1. the thigh

1.3.2. the leg

1.3.3. the foot

1.4. the upper extremity

1.4.1. the shoulder girdle

1.4.2. the arm

1.4.3. the forearm

1.4.4. the hand

2. the bones are connected together by

2.1. the joints

2.2. the cartilages

2.3. the ligaments

3. the bones consist of

3.1. organic substance

3.2. inorganic substance

4. the pelvis

5. the shoulder girdle