arrange these elements of the intrinsic conduction system in the order that a depolarizing impulse travels during a normal heartbeat.

Whic disease reduces bone density and causes the bones to become brittle

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

Discuss how seniors can combat health problems they may face.