C. to determine the compatibility of antibodies of donor and recipient.
pinkfloyd is wrong the correct answer is B they are both attached to bones
The correct answer is A, positively, it helps to diagnose heart disease.
An electrocardiogram records the electrical activity of your heart at rest. It provides information about the heart rate and rhythm, and shows if there is enlargement of the heart due to high blood pressure or evidence of a previous heart attack.
A injury to the spinal cord. It stops the signals from your brain traveling to your nerve to move. So a break in your spine would cause the permanent loss or simple reflexes.
