BIO 245 Heart Test 2 Klesath
Artery - ANS-carries blood away from the heart
Vein - ANS-carries blood toward the heart
Capillaries - ANS--exchange with systematic cells
-exchange with air sacs in the lungs
Pulmonary Circulation - ANS--Deoxygenated blood exits right side of heart to the lungs
-Gas exchange occurs at the lungs
-Oxygenated blood returns to the left side of the heart
Systematic Circulation - ANS--Oxygenated blood from left side of heart is delivered to
the tissues
-Gas exchange occurs at the lungs
-Deoxygenated blood returns to right side of the heart
Coronary Circulation - ANS-Circulation of blood to and from the heart tissues
Coronary Arteries - ANS-branch from the aorta off of the left ventricle
carry oxygenated blood to the musculature of the heart where gas exchange occurs
Coronary Veins - ANS-carry deoxygenated blood from heart to right atrium
converge at the coronary sinus and drain into the right atrium
Myocardial Infarction - ANS-Death of a region of the heart muscle due to loss of blood
flow to the area due to an obstruction of the coronary arteries
Most commonly due to blood clot
Antioplasty can fix this
Thrombosis - ANS-blood clot
Angioplasty - ANS-procedure that opens narrowed or blocked coronary arteries through
a balloon catheter or by inserting an expandable metal mesh tube (stent)
Pericardium - ANS-Acts as mechanical protection for the heart and big vessels, and a
lubrication to reduce friction between the heart and the surrounding structures
, Pericarditis - ANS--inflammation of pericardium resulting in excess fluid leaving the
blood and filling the pericardial cavity
-limits heart's movements preventing the chambers from filling properly
Great Arteries - ANS--Pulmonary Arteries and Aorta
-attach to the heart at the ventricles and carry blood away from the heart
Pulmonary Trunk - ANS-carries deoxygenated blood from the right ventricles to the
lungs
Aorta - ANS-transports oxygenated blood from the left ventricle to the systematic
tissues
Great Veins - ANS--Venae Cavae and pulmonary veins
-attach to the heart and transport blood toward the heart and into the atria
Venae Cavae - ANS-carry deoxygenated blood to the right atrium
Pulmonary veins - ANS-drain oxygenated blood into left atrium
Atria - ANS-receiving chambers where great veins attach
-separated by interatrial septum
-interior contains pectinate muscles composed of parallel ridges
Ventricles - ANS-where great arteries attach
-separated by interventricular septum
-interior contains large papillary muscles with chordae tendineae to AV valves
Interatrial septum - ANS-atria are separated by what
interventricular septum - ANS-ventricles are separated by
Valvular stenosis - ANS--valve cusps stiffens and narrows, reducing blood flow
-requires the heart to pump harder, may result in heart failure
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