The Vital Flow: Blood is a liquid medium that delivers nutrients and oxygen to our cells and transports waste products away from those same cells. It comprises white and red blood cells, platelets and other important clotting factors suspended in plasma.
Cells are the smallest units of life often called the "building blocks of life".
Health care is the maintenance or improvement of health through the prevention, diagnosis and treatment of disease suffered by people of any age. In the past, health care systems tended to focus on the provider, but in recent decades the approach to all management of the person is termed “patient-centered care”, in which the individual, rather than the provider, is the focus whatever the health care setting.
Recognizing and treating disease dates back many millennia. The input of the scientific method – with experiments both in the laboratory and at the bedside – allowed diagnosis and management of various afflictions to gradually improve.
Female reproduction includes the internal and external organs that function in reproduction of new offspring.
This includes the diagnosis of disorders and diseases of the entire urinary tract and the male genital tract.
Our digestive system breaks our food into parts small enough for our body to absorb and be used for energy, growth and cell repair. Just as it handles our daily intake of fluids and solids, it has an important function in eliminating solid waste from our body. The digestive system comprises the mouth, esophagus, stomach, intestines, appendix, liver, pancreas and gallbladder.
The immune system fights infection (microbes) through special organs, cells and chemicals. The immunology of infectious disease studies how the immune system responds to infectious agents and how infectious agents interact with, modify or elude the immune system. More recent developments have shown that immunology may play an important role in the treatment of some cancers. Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people.
Diabetes is a disease marked by persistently high levels of blood sugar caused by inadequate or ineffective insulin, a hormone produced by the Beta cells of the pancreas.
Cancer is a group of diseases that involves abnormal growth of cells in potentially every part of our bodies. Some cancers are serious while others can easily be cured. Survival rates of many types of cancers continue to improve, thanks to early detection, and timely, high quality management.