Friday, February 12, 2016
Much like the skin ,bone tissue is made up of layers, like an onion. The solid, outermost layer of bone tissue is termed compact bone It is made up of cells called osteocytes. The innermost, center part of bone tissue is hollow and is called the marrow cavity. The tissue that lies between the outer compact bone and the inner marrow is called cancellous bone.
Thursday, February 11, 2016
Saturday, February 6, 2016
Unhealthy behaviors are automatic, such as planting oneself in front of the television for several hours each night.Any habit that is pleasurable is difficult to break, and in our society eating junk food and watching hours of TV are two of the strongest.