Ch. 7.8 Circulatory System Key Terms
What's veins?
Blood vessels, carry blood to heart, contain valves.
What's tricuspid valve?
Valve, between right atrium and right ventricle.
What's myocardium?
Muscular layer, middle layer, thickest layer.
What's left ventricle?
Lower left chamber, pumps blood to aorta, pumps to body.
What's diastole?
Cardiac cycle, rest, ventricles relax.
What's thrombocytes?
Platelets, cell fragments, blood clotting.
What's systole?
Cardiac cycle, ventricular contraction, pumping.
What's mitral valve?
Valve, between left atrium and left ventricle.
What's left atrium?
Upper left chamber, receives oxygenated blood, from lungs.
What's circulatory system?
Transportation system, heart, blood vessels, blood.
What's right ventricle?
Lower right chamber, pumps blood to pulmonary artery, pumps to lungs.
What's septum?
Muscular wall, separates heart, right and left sides.
What's leukocytes?
White blood cells, fight infection, immunity.
What's capillaries?
Connect arterioles and venules, thin walls, gas/nutrient exchange.
What's blood?
Tissue, transports, plasma, cells, oxygen.
What's right atrium?
Upper right chamber, receives blood from body.
What's pulmonary valve?
Valve, between right ventricle and pulmonary artery.
What's erthyrocytes?
Protein, in red blood cells, carries oxygen.
What's arteries?
Blood vessels, carry blood away from heart, muscular, elastic.
What's aortic valve?
Keywords: Valve, between left ventricle and aorta, prevents backflow.
What's plasma?
Fluid, 90% water, dissolved substances.
What's pericardium?
Double-layered membrane, sac, covers outside of heart.
What's endocardium?
Lines inside of heart, smooth layer.
What's arrhythmias?
Abnormal heart rhythms, electrical conduction
What's hemoglobin?
Protein, in red blood cells, carries oxygen.