AN ANTERIOR see OF THE HEART(A - F)
A. BRACHIOCEPHALIC ARTERYB. Remarkable VENA CAVAC. Appropriate PULMONARY ARTERYD. ASCENDING AORTAE. PULMONARY TRUNKF. Best PULMONARY VEINS
AN ANTERIOR check out OF THE HEART(F - L)
G. Ideal ATRIUMH. Best CORONARY ARTERYI. ANTERIOR CARDIAC VEINJ. Appropriate VENTRICLEK. Worse VENA CAVAL. LEFT usual CAROTID ARTERY
AN ANTERIOR watch OF THE HEART(M - R)
M. LEFT SUBCLAVIAN ARTERYN. AORTIC ARCHO. LIGAMENTUM ARTERIOSUMP. LEFT PULMONARY ARTERYQ. LEFT PULMONARY VEINSR. LEFT ATRIUM
AN ANTERIOR check out OF THE HEART(S - X)
S. CIRCUMFLEX ARTERYT. LEFT CORONARY ARTERYU. LEFT VENTRICLEV. An excellent CARDIAC VEINW. ANTERIOR INTERVENTRICULAR ARTERYX. APEX of HEART
FLUID IN THE PERICARDIAL SAC allows THE love TO to win IN A reasonably FRICTIONLESS ENVIRONMENT. TO reduce FRICTION throughout HEART ACTIVITY.
You are watching: Exercise 30 review sheet anatomy of the heart
A straightforward SCHEMATIC OF basic CIRCULATION IS SHOWN. WHAT part OF THE CIRCULATION IS missing FROM THIS DIAGRAM? ____1_____ add TO THE diagram AS finest YOU have the right to TO do IT DEPICT A finish SYSTEMIC/PULMONARY CIRCULATION. Brand THE SYSTEMIC and PULMONARY CIRCULATION
1. PULMONARY CIRCULATION
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DURING THE lamb HEART DISSECTION, YOU were ASKED initially TO identify THE RIGHT and LEFT VENTRICLES there is no CUTTING into THE HEART. During THIS PROCEDURE, WHAT distinctions DID you OBSERVE in between THE two CHAMBERS?
KNOWING THAT structure AND duty ARE RELATED, exactly how WOULD YOU speak THIS STRUCTURAL difference REFLECTS THE RELATIVE attributes OF THESE two HEART CHAMBERS?
THERES A GREATER need ON THE much longer SYSTEMIC CIRCULATION (L. VENTRICLE) and HAS A greater RESISTANCE then THE PULMONARY CIRCULATION (R. VENTRICLE)
SEMILUNAR VALVES prevent BACKFLOW into THE __1__; MITRAL and TRICUSPID VALVES avoid BACK-FLOW into THE __2__.
USING YOUR own OBSERVATIONS; define HOW THE operation OF THE SEMILUNAR VALVES differs FROM that OF THE MITRAL and TRICUSPID VALVES.
THE MITRAL VALVE (ANCHORD come CHORDAE TENDINEAE) allows THE BLOOD TO flow FROM THE LEFT ATRIUM into LEFT VENTRICLE, TRICUSPID VALVE stop BACKFLOW the BLOOD between THE two (MITRAL and TRICUSPID VALVES). THE SEMILUNAR VALVES (DONT have actually CHORDAE TENDINEAE)PERMIT BLOOD TO it is in FOCED right into THE ARTERIES but PREVENT BACKFLOW of BLOOD native THE ARTERIES right into THE VENTRICLES
TWO REMNANTS that FETAL STRUCTURES room OBSERVABLE IN THE heart - THE LIGAMENTUM ARTERIOSUM and also THE FOSSA OVALIS. WHAT to be THEY dubbed IN THE FETAL HEART, wherein WAS each LOCATED, and also WHAT common PURPOSE did THEY offer AS functioning FETAL STRUCTURES?
LIGAMENTUM ARTERIOSUM- dubbed (DUCTUS ARTERIOSUS) IN FETAL HEART, LOCATED in between PULMONARY TRUNK and also AORTIC ARCH. IN adult LIGAMENT over there NOW. Enables BLOOD TO flow FROM THE PULMONARY TRUNK come SYSTEMIC CIRCULATION.FOSSA OVALIS - called (FORAMEN OVALE) IN FETAL HEART, located ON right ATRIUM wall (ALSO wall OF appropriate VENTRICLE). Allowed BLOOD TO get in THE LEFT ATRIUM indigenous THE appropriate ATRIUM.
DIFFERENCE IS that PULMONARY CIRCULATION IS strict TO provide GAS EXCHANGE IN THE LUNGS; whereas THE SYSTEMIC CIRCULATION offers THE functional BLOOD it is provided TO every BODY TISSUES.
CIRCULATION that A RED BLOOD cell IN THE human BODY:RIGHT ATRIUM through THE TRICUSPID VALVE to THE __1__, v THE __2__ VALVE come THE PULMONARY TRUNK, come THE __3__, to THE CAPILLARY bed OF THE LUNGS, to THE __4__, come THE __5__ of THE HEART, through THE __6__ VALVE come THE __7__, through THE __8__ VALVE come THE __9__, to THE SYSTEMIC ARTERIES, come THE __10__ that THE TISSUES, to THE SYSTEMIC VEINS, to THE __11__, __12__, and also __13__ beginning THE best ATRIUM that THE HEART.
1. Ideal VENTRICLE2. PULMONARY SEMILUNAR3. PULMONARY ARTERIES4. PULMONARY VEINS5. LEFT ATRIUM6. BICUSPID (MITRAL)7. LEFT VENTRICLE8. AORTIC SEMILUNAR9. AORTA10. CAPILLARY bed (BODY & HEART)11. Exceptional VENA CAVA12. Inferior VENA CAVA13. CORONARY SINUS & CARDIAC VEINS
WHY might A THROMBUS (BLOOD CLOT) IN THE ANTERIOR diminish BRANCH that THE LEFT CORONARY ARTERY reason SUDDEN DEATH?
A THROMBUS IN THE CORONARY ARTERY CAN reduced OFF THE BLOOD it is provided TO THE HEART, causing THE an extremely RAPID DEATH.
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SKELETAL MUSCLE IS LONG, SYLINDRICAL, MULTINUCLEATED CELLS and also HAS apparent STRIATIONS. But CARDIAC MUSCLES room BRANCHING, STRIATED, have actually USUALLY UNI-NUCLEATED CELLS that INTERDIGITATE at THE JUNCTIONS (INTERCALATED DISCS)
DESCRIBE THE unique ANATOMICAL functions OF CARDIAC MUSCLE. WHAT role DOES THE distinctive STRUCTURE of CARDIAC MUSCLE play IN the FUNCTION?
THE distinct FEATURE IS THE INTERCALATED DISCS. THE INTERCALATED DISCS have TWO important FUNCTIONS: 1. That HOLDS THE MYOCYTES with each other SO the THEY execute NOT traction APART when THE heart CONTRACTS; 2. IS TO permit AN electric CONNECTION between THE CELLS, which IS vital TO THE role OF THE HEART together A WHOLE. Likewise HAS numerous MITOCHONDRIA THAT carry out ENERGY forced FOR CONTRACTION.