What mechanical event of the cardiac cycle causes the second heart sound

Q: Explain how the heart is a double pump and why this is significant

A: Human heart is situated in the space of thoracic cavity present between two lungs.

Q: Which chamber of the heart sends blood to the lungs? :_______________ Which valve prevents backflow…

A: The circulatory system, is a system of organs that includes the heart, blood vessels and blood which…

Q: Give an in depth description (with explanation) of were the heart is in the body

A: Heart is an organ in the body which is involved in supplying the blood to all the parts of body by…

Q: List other factors that affect heart rate

A: Heart rate is the rate at which heart beats per minute. The average adult heart rate is 72 beats per…

Q: What factors increaase the force of contraction of the heart and what factors decrease the force of…

A: Heart is one of the vital organs of a human body. It is responsible for pumping blood through the…

Q: Describe the effect of the autonomic nervous system on heart rate. Which division is dominant at…

A: The autonomic nervous system is a peripheral nervous system component that governs involuntary…

Q: define cardiac cycle

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: In a essay detail how the heart contract on both the cellular and organ level.

A: The contraction of heart takes place as the upper chambers of the heart contract. An impulse is sent…

Q: Know the locations of the autorhythmic (pacemaker) cells in the heart.

A: Introduction = Two types of cardiac muscle cells that are involved in a normal heartbeat:Specialized…

Q: why a leaking heart valve may cause heart damage over time?

A: Leaky heart valve can affect any of the four heart valves: 1)Aortic valve ( left ventricle and…

Q: Explain why the SA node normally paces the heart.

A: In human heart, small groups of specialised neuromuscular cells are present within the myocardium.…

Q: What does Sinus rhythm mean? Provide a definition.    Name each wave form and describe what is…

A: normal sinus rhythm A rhythm that occurs when the electrical conduction system of the heart is…

Q: Explain counting the pulse is counting the rate of heart beat.

A: Answer: Introduction: a pulse means the tactile palpation arteries of heartbeat by trained…

Q: Which is the phase of cardiac cycle in which the auricles contract?

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: Describe blood flow during the heart cycle, then explain why the blood moves between atria and…

A: The heart cycle or the cardiac cycle consists of systole (contraction) and diastole (relaxation) of…