1. Support
2. Movement: The bones of the upper and lower limbs pull and push, with the help of muscles.
3 storage as a mineral store. 97% of the body's calcium is stored in bone.
Here it is easily available and turns over fast. In pregnancy the demands of the fetus for calcium require a suitable diet and after menopause hormonal control of calcium levels may be impaired: calcium leaches out leaving brittle osteoporotic bones.
4. Protective. Skull for the brain and rib for the heart and lungs.
5. Blood cell production: as a marrow holder. Structure of Bone 1. Diaphysis: shaft of the bone and it is composed primarily compact bone 2. Epiphysis: End of bone consists primarily of cancellous or spongy bone. 3. Epiphyseal plate: Hyaline …show more content…
Acromegaly too much growth hormone as an adult.
Osteoporosis is a disorder of bone tissue. There are two kinds of osteoporosis. A. Age-related osteoporosis affects women and men. Starting at age 35, humans start to lose bone mass at a rate of 0.3%-0.5% a year. The cause of age-related osteoporosis is unknown.
1. Partial (Incomplete) a fracture in which the break across the bone is incomplete.
2. Complete a fracture in which the break across the bone is complete, so that the bone is broken into two or more pieces.
3. Closed (Simple) a fracture in which the bone does not break through the skin.
4. Open (Compound) a fracture in which the broken ends of the bone protrude through the skin.
5. Comminuted a fracture in which the bone is splintered at the site of impact, and smaller fragments of bone are found between the two main fragments.
6. Greenstick a partial fracture in which one side of the bone is broken and the other side bends; occurs only in children.
7. Spiral a fracture in which the bone is usually twisted apart.
8. Transverse a fracture at right angles to the long axis of the bone.
9. Impacted a fracture in which one fragment is firmly driven into the