Card Set Information
Largest artery in the body.
Largest type of blood vessel; carries blood away from the heart to all parts of the body.
One of two upper chambers of the heart.
Smallest blood vessel. Materials pass to and from the bloodstream through the thin capillary exhalation.
Gas released by body cells.
Blood vessels that branch
and carry oxygen-rich blood
Blood that is oxygen-poor.
Relaxation phase of the heartbeat.
Record of the electricity flowing through the heart. Electricity is represented by waves or deflections called P, QRS, or T.
Inner lining of the heart.
Valve between the left atrium and left ventricle; bicuspid valve.
Abnormal swishing sound caused by improper closure of the heart valves.
Muscular, middle layer of the heart.
pacemaker (sinoatrial node)
Specialized nervous tissue in the right atrium that begins the heartbeat.
Double-layered membrane surrounding the heart.
Artery carrying oxygen-poor blood from the heart to the lungs.
Flow of blood from the heart to the lungs and back to the heart.
Valve positioned between the right ventricle and the pulmonary artery.
One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart.
Beat of the heart as felt through the walls of the arteries.
Partition or wall dividing a cavity, ex. R. Atrium & L. Atrium.
Pacemaker of the heart.
Instrument to measure blood pressure.
Flow of blood from body tissue to the heart and then from the heart back to body tissues.
Contraction phase of the heart
Located between the right atrium and the right ventricle.
Structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction.
Vessel that carries blood from body tissues and lungs back to the heart. Veins contain valves to prevent backflow of blood
Largest vein in the body. The superior and inferior vena cava return blood to the right atrium of the heart.
One of two lower chambers of the heart.