InterviewSolution
| 1. |
what is cardiac cycle?explain the sequential steps in the cardiac cycle thr help of a flow chart |
|
Answer» The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next. It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, followed by a period of robust contraction and pumping of blood, dubbed systole. DBMS data types includeinteger, float, characters, strings, and arrays. They're also very distinct types, such asdates, date timestamps, boolean, and varchar formats. the cycle is the cardiac performance of the human heart from of one the ending r≈10.5cmVVolume 4851cm³ One contraction and one relaxation of one atria and ventricle is called one cardiac cycld The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next. It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, followed by a period of robust contraction and pumping of blood, dubbed systole. the cycle is the cardiac performance of the human heart from of one the ending A cardiac cycle is defined as the steps involving the conversion of deoxygenated blood to oxygenated blood in the lungs and pumping it by the heart to the body through the aorta [40]. the cycle is the cardiace performance of the human heat one contraction and one relaxation of one atria and ventricle is called one cardiac cycle Memory management is a form of resource management applied to computer memory. The essential requirement of memory management is to provide ways to dynamically allocate portions of memory to programs at their request, and free it for reuse when no longer needed. one cobtraction and relation of atria and ventricle is called cadiac cycle cardiac cycle occurs in 0.8sec in three stages.1. artrial systole2. ventricle systole3. complete diastole Systole,periodof contraction of the ventricles of theheartthatoccursbetween the first and secondheartsounds of thecardiac cycle(the sequence ofeventsin a singleheartbeat).Systolecauses the ejection of blood into the aorta and pulmonary trunk. cardiac cycle defined as the step involving the conversion of deoxygenated blood to oxygenated blood in lungs nd pumping by heart to body thorough arota systeam The mainpurpose of the heartis to pump blood through the body; it does so in a repeating sequence called thecardiac cycle. Thecardiac cycleis the coordination of the filling and emptying of theheartof blood by electrical signals that cause theheartmuscles to contract and relax. Thecardiac cyclecomprises a complete relaxation and contraction of both the atria and ventricles, and lasts approximately 0.8 seconds. Beginning with all chambers in diastole, blood flows passively from the veins into the atria and past the atrioventricular valves into the ventricles. the complete sequence of events in the heart from the beginning of one beat to the beginning of the following beat a complete heartbeat including systole and diastole are called cardiac cycle. The cycle is the cardiac performance of the human heat sequence of one complete heart beat it takes place for 0.8sec one phase of 'construction' and one phase of 'relaxation' is called cardiac cycle One constaction and one relaxation phase of her beat is called cardiac cycle Cardiac cycle is describes all the activities of the heart through one complete heartbeat that is through one contraction and relaxation of both the atria and ventricles. One contraction phase and relaxation phase of heart is known as one cardiac cyclw as the total blood circulation is completed once or twice the cycle involved is called cardiac cycle Explanation: in fish we find single blood circulary in other like mammels have double blood circulation iam sorry that I know only this if it helps you make this as brillient cardiac cycle means time taken by heart to ending of one heart beat to starting of next heartbeatas we know heart is myogenic in nature and it works continously throw out the life heart get relax simultaniously for fraction of secondsour heart beats 72 to 75 /min timesin our heart their are several valves which are play very important role in cardiac cycle . Genarally valve performs the function of preventing back flow of bloodtheir are important 4 events in cardiac cycle that are atrial systoleatrial diastoleventricular systoleventricular diastole Our heart has 4 chamber the right ventricle pump deoxygenated blood while left ventricle carry oxygenated bloodThe cardiac cycle initate during atrial systole becoz SA node is there which start the cardiac eventsatrial systole is for 0.1 sec in which tricuspid and bicuspid valves are openhere are timings takes for complete the eventsatrial systole =0.1atrial diastole =0.7ventricular systole = 0.5ventricular diastole =0.3 Read more on Brainly.in - https://brainly.in/question/15484408#readmore Thecardiac cycleis the performance of the humanheartfrom the ending of one heartbeat to the beginning of the next. one contraction and one relaxation of one atria and ventricle is called one cardiac cycle. the cycle is the cardiac performance of the human heart from of one the ending.the cardiac cycle is the performance of the human heart from the ending of one Heartbeat to the beginning of the next. it consists of two periods: one during which the heart muscle relaxers and fields with blood, called diastole followed by a period of robust contraction and pumping of blood, dubbed systole.👍👍👍👍😎🤣😂😘 Thecardiac cyclerefers to all of the events that occur from the beginning of one heartbeat to the beginning of the next and can be divided intotwoparts: a period of relaxation known as diastole and a period of contraction known as systole Thecardiac cycleis the performance of thehuman heartfrom the ending of one heartbeat to the beginning of the next. It consists of two periods: one during which the heart muscle relaxes and refills with blood, calleddiastole, following a period of robust contraction and pumping of blood, dubbedsystole. After emptying, the heart immediately relaxes and expands to receive another influx of bloodreturning fromthe lungs and other systems of the body, before again contracting topump blood tothe lungs and those systems. A normally performing heart must be fully expanded before it can efficiently pump again. Assuming a healthy heart and a typical rate of 70 to 75 beats per minute, each cardiac cycle, or heartbeat, takes about 0.8 seconds to complete the cycle.There are twoartialand twoventrical chambers of the heart; they are paired as theleft heartand theright heart—that is, the left atrium with the left ventricle, the right atrium with the right ventricle—and they work in concert to repeat the cardiac cycle continuously, (see cycle diagram at right margin). At the start of the cycle, duringventricular diastole-early, the heart relaxes and expands while receiving blood into both ventricles through both atria; then, near the end ofventricular diastole late, the two atria begin to contract artial sythole, and each atrium pumps blood into the ventricle 'below' it.Duringventricular sytholethe ventricles are contracting and vigorously pulsing (or ejecting) two separated blood supplies from the heart—one to the lungs and one to all other body organs and systems—while the two atria are relaxed (artial diastole). This precise coordination ensures that blood is efficiently collected and circulated throughout the body. Thecardiac cycleis the performance of the humanheartfrom the ending of one heartbeat to the beginning of the next. It consists of two periods: one during which theheartmuscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, dubbed systole. Method:Blood is allowed to enter relaxed ventricle chamber from vein through venous ... Outcome:Circulation of blood the cardiac cycle is the performance of the human hearttheir are 4 stagesthe ventricle filled during diastolethe ventricle cintract building up pressure ready to pump blood to heart carduacc. is cycle complete. in 2 two time run in heart. this start from sa node and end. systemic artery. cardiac cycle means as the total blood circulation is completed once or twice the cycle involved is called cardiac cycle |
|