Exam 1- A&P 2 Flashcards
Double-walled sac covering heart
Pericardium
Pressure wave caused by expansion and recoil of arteries
Pulse
Heart chamber that receives unoxygenated blood from body
Right Atrium
Site of cardiac pacemaker cells
Sinoatrial Node (SA)
Erythrocytes, leukocytes, and platelets
Formed Elements
Sensory nerve ending found in the wall of the aorta sensitive to vessel stretch
Baroreceptor
Force exerted by blood against a blood vessel wall
Blood Pressure
Amount of blood pumped out of ventricle in one minute
Cardiac Output
RBC antigens
Agglutinogens
Largest systemic artery
Aorta
Oxygen binding site of hemoglobin
Iron
Blood’s oxygen-carrying capacity too low
Anemia
Smallest of the arteries
Arterioles
Circuit that carries blood to and from the lungs
Pulmonary circuit
Constriction of blood vessel following an injury
vascular spasm