1. what are the most important things that you can do to keep yourself healthy?
2. how easy or difficult is it for the average person to do these things? what makes it hard or easy?

Occurs when the immune system attacks the body. lupus cancer sickle cell disease huntingtons disease

The concept of ensures that wounded soldiers receive treatment based on their severity of their wounds rather than their seniority

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.