The legal document or individual authorized to make an individual's health care decisions, should the individual be unable to make them for himself or herself, is
1. advance health care directive.
2. living will.
3. health care proxy.
a. 1 only
b. 1 and 2 only
c. 2 and 3 only
d. 1, 2, and 3

The part of the nephron provides initial filtering of the blood in the urinary system.

The body uses fight or flight as a way of defending itself from stress. question 2 options: true false

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells