The answer would be C. Coordination
Basically the main function of both of these has to do with blood. Arteries are important because they move blood away from the heart. Veins do the opposite of arteries and actually return blood back to the heart! They are both very important for the body.
The purpose of the Patient Self-Determination Act was/is to inform patientsof their rights regarding decisions toward their own medical care, and ensure that theserights are communicated by the health care provider.
Quicksand because we fall in the depression slowly in life