Life makes us experience many different types of emotions and feelings. Some people have a hard time transitioning from one mood to another. These people have bipolar disorder, a mental condition in which a patient experiences elevated episodes of mania followed by periods of depression. The ... Views: 2241
The human body is held together by different types of joints. A joint is where two bones meet, held together with ligaments. Joints allow us to be flexible by lubricating our bones to provide movement without friction. Joints are lubricated with hyaluronic acid and synovial fluid, which allow ... Views: 8756