Documents Tagged ‘vital organs’
What Counts As High Blood Pressure?
There are three basic types of high blood pressure or by
- Essential or primary hypertension – Nine out of ten people with high
blood pressure have this type and the exact cause is unknown, although it involves many risk factors. - Secondary hypertension – About 10 per cent of people have high blood pressure due to another disease, such as kidney disease, rare endocrine disorders or heart valve problems, or in rare cases it is due to interactions with a drug.
- Malignant hypertension – In this rare type, blood pressure can soar to dangerous levels, requiring urgent hospital treatment. Read the rest of this entry »
The Functions Of Bones
The bones of the skeleton provide structural support for the body and work with the muscles to move it. Bones also have other functions:
- Some bones protect the vital organs. The skull acts as armor for the brain, and the pelvic hones keep abdominal organs from being damaged. The movement of the ribs aids the process of breathing and they also protect the organs of the chest, such as the heart and lungs.
- The bones of the ear help with hearing. They act as amplifiers when sound passes from the outside world through on its way to the brain.
- The bone marrow inside flat bone as the shoulder blades and breastbone a range of blood cells.
THE JOINTS
- A joint is the junction between two or more bones. Some joints are fixed, such as of the skull, while others, such cartilaginous joints between the vertebrae of the spine, have hardly any However, most joints in the both freely and are known as Synovial joints. The ends of the bones meeting at synovial joints are covered with a thin layer of cartilage to stop them grinding against each other. They are lubricated, to allow smooth by a thin layer of fluid called Synovial fluid. The ligaments are strong fibrous strips that hold bones together at the joint them from moving too far apart.
