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20 Cards in this Set

  • Front
  • Back
path of blood from heart to body
systematic circulation
fluid part of blood
plasma
cell fragment that helps blood to clot
platelet
path of blood from heart to lungs
pulmonary circulation
smallest type of blood vessel
capillary
protein in bloodthat carries oxygen
hemoglobin
structure containing vocal cords
larynx
buildup of fat deposits on artery walls
atherosclerosis
tube in throat through which air passes
pharynx
largest artery
aorta
t/f: air moves from the pharyx into the *bronchus*
false; trachea
t/f: the tiny sacs where gas exchange takes place are the *lymphocytes*
false; alveoli
t/f: the *diaphragm* is a muscle that enables breathing
true
t/f: loss off elasticity in the lungs is called *lung cancer*
false; enphypaions
t/f: the stimulant drug in tobacco smoke is known as *tar*
false; nicotine
thick middle muscle layer of the heart; pumps blood through the circulatory system
myocardium
an upper chamber of the heart that receives blood that is about to enter the ventricle
atrium
the lower chamber of the heart which pumps blood out of the heart
ventricle
flaps of connective tissue between the atrium and the ventricles that prevents the backflow of blood
valve
small group of cardiac muscle cells in the right atrium that set the pace for the heart as a whole; also known as the sinoatrial node
pacemaker