Functions and types of bones

1. Skeletal System Functions and Types of bones

2. Functions of the skeletal system Protection of Organs – the brain in the skull, the heart, lungs, liver etc., in the ribcage. Storage of Mineral Salts – are large percentage of bone is made from Calcium and Phosphorus, which can be both stored and released from bone tissue. Support gives the body shape and provides structure of muscle to work against.

3. Functions Movement – the skeleton provides the structure for muscles to pull against and shorten, creating movement.

4. - Functions -

5. Types of bones

6. Types of bones Long Bones – have a diaphysis (shaft) and epiphysis (growth plate – the bones of the limbs in particular) e.g. the bones of the limbs – humerus , radius, ulna, femur, tibia, fibula. Ribs, Phalanges, Metacarpals and Metatarsals. The femur is the largest bone in the body.

7. Types of bones Short Bones – bones of the hands and feet, i.e. the carpal (hand) and tarsal (foot) bones. They have no shaft and are as long as they are wide.

8. Types of bones Flat Bones – the bones of the skull (excluding the mandible), the ilium (pelvis), and scapula.

9. Types of bones Sesamoid Bones – Bones that are wrapped in tendon or connective tissue The patella (knee-cap)

10. Types of bones Irregular bones – “one of a kind” bones The spinal column is comprised of 30 irregular bones – no two are exactly the same shape. 7 Cervical 12 Thoracic 5 Lumbar 5 Sacral (fused) Coccyx