During the cardiac cycle, when would you expect to hear the second heart sound? O a) After ejection of blood into the aorta O b) Between the P wave and the QRS Complex OC) When the AV valves close d) When the AV valves are open

Q: What is the relationship between end-diastolic ventricular volume and stroke volume in a normal…

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

Q: What causes heart murmurs in systole?

A: Systolic heart murmurs are heart murmurs detected throughout systole, i.e. they start and finish…

Q: Describe the four specific properties of cardiac cells of the heart?

A: The heart comprises generally of cardiovascular muscle cells (or myocardium). The remarkable…

Q: What is the functional significance of the difference in thickness between the wall of the aorta and…

A: The aorta is the main artery which carries blood away from heart to the rest of  body.  The…

Q: What type of tissue composes the fibrous skeleton of the heart, and how is it organized?

A: The cardiac skeleton, also known as fibrous skeleton of the heart plays four major functions which…

Q: Which structure is present in the right ventricle of the sheep's heart but not in the left…

A: The heart is one of the vital organs in the body. The main function of this organ is to pump up the…

Q: What are the names of the 4 valves located in the chambers of the heart?

A: The heart is a muscular pumping organ that pumps the oxygenated blood throughout the body through…

Q: What causes heart murmurs in diastole?

A: The circulatory system, in like manner called the cardiovascular structure or the vascular…

Q: Draw the pressure changes along the systemic and pulmonaryvascular systems during the cardiac cycle?

A: Along the systemic and pulmonary vascular systems during the cardiac cycle  the pressure which…

Q: Which side of the heart pumps blood to the lungs?

A: Answer: Introduction: The heart is a muscular organ present behind and partially left of the…

Q: What is the change in intraventricular pressure between the time the first heart sound begins and…

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: What is the importance and the physiology of the cardiac conduction system?

A: Cardiac conduction system is also known as the electrical conduction system of the heart. The…

Q: What roles do the chordae tendineae and papillary muscles have in the normal function of the AV…

A: The heart is the muscular organs of the cardiovascular system.

Q: What anatomical feature prevents the electrical signal from traveling directly from atrial muscle to…

A: The heart is a muscular organ that is divided into the left and right side to prevent the mixing of…

Q: The heart wall that covers papillary muscle?

A: Heart is a muscular organ comprised of involuntary cardiac muscles which dinxriona to pimp blood…

Q: Why are the tendinous cords required for the proper functioning of the AV valves?

A: The heart is a muscular organ of the cardiovascular system that functions to pump the blood to the…

Q: What is the relationship between wall thickness and function among the various chambers of the…

A: Heart in humans have four chambers with different thickness of the walls. Generally the ventricles…

Q: List the divisions of the cardiac cycle?

A: In order to pump the blood, a sequence of contractions and relaxing of the atria and ventricles is…

Q: What causes heart murmurs?

A: The human body is comprised of various organs and organ framework. There are 11 diverse organ…

Q: From what sources does blood flow into the upper and lower chambers of the heart? What are the…

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: Which of the four chambers of the human heart has the thickest muscular walls?

A: The cardiovascular system consists of the heart, blood, and blood vessels and is also known as the…

Q: Draw the interior view of the heart?

A:

Q: Which side of the heart is considered the pulmonary pump? What is the destination of blood from the…

A: The circulatory framework, likewise called the cardiovascular framework or the vascular framework,…

Q: What forces drive the venous return to the heart?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning…

A: Introduction Significance of atrioventricular node and atrioventricular bundle in the functioning of…

Q: Which of the four chambers of the human heart has the thickest muscular wall?

A: Organ is a group of tissues in a living organism that has a specific purpose or function.  The major…

Q: which of the following groups is most related to the pumping function of the heart? Explain the…

A: The heart is a muscular organ the size of a fist that is found directly behind and considerably to…

Q: Where are AV valves located within the heart? Where are semilunar valves located within the heart?

A: The heart can be defined as the muscular organ about the size of fist that is situated just behind…

Q: In a developing chicken embryo, from  which  layer  of  the  hypomere  is  the  endocardium  and…

A:

Q: how do gap junction and intercalated disks aids contraction of heart?

A: Cardiac muscle tissues are only limited to the heart. The contractions of the cardiac muscles are…

Q: Deoxygenated blood is returning to your heart from your head. What is the order of the structures of…

A: Heart is a chief pumping muscular structure which helps in sending oxygen rich blood to all parts of…

Q: What is the function of the conduction system of the heart?

A: The heart is a muscular organ responsible for pumping blood and distributing oxygen as well as…

Q: Explain the cardiac cycle ?

A: The blood circulation starts with the contraction of the two atria. The ventricles at this time are…

Q: What is Cardiac Pacemaker?

A: The heart and blood vessels are the main organs of the cardiovascular system. The heart, which is…

Q: What would be the path of blood flow through the heart if the foramen ovale did not close shortly…

A: The foramen ovale is a tiny hole in the septum, the wall that separates the heart's two upper…

Q: What are the main components of the venous system in the heart?

A: The venous system is composed of veins. The veins are the part of the vasculature long with…

Q: Can you describe how blood moves through all parts of the heart?

A: From the tiny air sacs, through the walls of the capillaries, oxygen and carbon dioxide travels into…

Q: What causes the "lub" sound in the cardiac cycle?

A: A lub (also known as S1) and a dub (S2) are the two sounds of the normal cardiac cycle. There may be…

Q: What is the structure of the heart? How does the heart work?

A: Human heart is a four chambered muscular organ.It shape and size is roughly like a closed fist of…

Q: What are the major components that make up a human heart?

A:

Q: What is the consequence of the prolonged plateau of depolarization in ventricular myocytes?   a-it…

A: the consequence of the prolonged plateau of depolarization in ventricular myocytes.

Q: what is the purpose and advantages of a double circulation system?

A: Double circulation is the flow of blood through the heart twice. The blood from all body parts is…

Q: Pressure changes that occur during the cardiac cycle are responsible for what two physiologic…

A: The cardiac cycle is the time interval between atria contraction and ventricular relaxation. Fluids,…

Q: What is an electrical difference across the fibers of the heart called?

A: Introduction: Even if all of the nerves supplying the heart are cut or if it is divided into several…