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

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 are Cardiac Action Potentials?

A: Unlike the action potential in skeletal muscle cells, the cardiac nerve impulse isn't initiated by…

Q: Describe how the pressure in the left ventricle and in the systemic arteries varies during the…

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

Q: Describe the spread of excitation from the SA node through the restof the heart?

A: In the mammalian heart, the heartbeat originated from the cardiac muscles. The heartbeat originated…

Q: What is the cardiac cycle mostly driven by

A: THE CARDIAC CYCLE IS DRIVEN BY THE BLOOD PRESSURE.

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 how and why cardiac anatomy changes at birth?

A: The cardiovascular system comprises the heart, which is the anatomical pump with its internal parts…

Q: Between which times is the valve between the atrium and the ventricle closed?

A: The cardiac cycle consists of a Systole and a Diastole of atria and ventricles Each Cardiac cycle…

Q: Compare and contrast pressure and volume changes of the left ?and right ventricles and the aorta…

A: Answer: Introduction: The heart is present in the thoracic (Thorax) cavity medially among the lungs…

Q: What is known as cardiac output ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

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 Preload and Afterload in the cardiac output of a human heart?

A: Preload is the initial stretching of the cardiac myocytes (muscle cells) prior to contraction. It is…

Q: summarize the phases of the cardiac cycle.

A: Introduction The cardiac cycle is defined as the sequential event in the heart which is cyclically…

Q: Explain the events in the cardiac cycle. Describe 'double circulation'.

A: Introduction: The heart is a muscular organ in most animals, which pumps blood through the blood…

Q: In a single cardiac cycle, if EDV increases, what do you predict about the upcoming SV? Will SV…

A: In a single cardiac cycle, if EDV the upcoming SV will also increase.  EDV is directly proportional…

Q: Describe the cardiac center and innervation of the heart.

A: The heart refers to an organ that pumps and provides blood supply to the body via the blood vessels.…

Q: explain how blood viscosityand blood vessel length each influence cardiac output?

A: Viscosity, a basal parameter in physics, is a crucial and important determinant of the shear stress…

Q: Walk through the mechanical events of the cardiac cycle?

A: The cardiac event includes the transition from the beginning of one heartbeat to the beginning of…

Q: Describe the process of Contraction Coupling in the Cardiac Muscle?

A: Answer: Introduction: Cardiac muscle, comprised of the contractile cells of the heart, contain a…

Q: Explain the events in a cardiac cycle.

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: Identify the parts of the cardiac conduction system

A: The heart is the main organ of the human body that pumps oxygenated blood to the whole body and…

Q: Describe the events that occur during one cardiac cycle.

A: The cardiac cycle is a process that occurs in the heart. The process refers to the event that takes…

Q: What effects does the parasympathetic nervous system have on cardiac output?

A: The cardiovascular system plays the part in conveying the blood through vessels to and from all…

Q: Describe the path of blood through the cardiac circuits

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

Q: Why is the cardiac action potential propagated more slowly in an AV node cell then in an atrial or…

A: Cardiac action potential  It refers to the short alteration in the voltage i.e. membrane potential…

Q: Differentiate between a cardiac pacemaker and contractile cell?

A: In animals, the contraction of cardiac muscles begins by electrical impulses termed Action…

Q: define cardiac cycle

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

Q: Explain Mechanical Events of the Cardiac Cycle?

A: The cardiac cycle involves the events that occur in the heart chambers in a single heartbeat. The…

Q: Relate the opening and closing of specific heart valves in each phase of the cardiac cycle to…

A: The highly coordinated sequence of electrical, mechanical, and vascular events constitutes the…

Q: How are events of the cardiac cycle reflected in pressure and volume changes within the cardiac…

A: The cardiac cycle includes coordinated contraction and relaxation of heart chambers.

Q: Create a flow diagram for this cardiovascular system that has these elements in correct order • Vena…

A: Introduction  The circulatory system (cardiovascular system) transports oxygen-rich blood from the…

Q: Number of double circulations completed by the human heart per minute under resting conditions is

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

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: Explain how the blood volume in the left ventricle changes throughout the cardiac cycle in response…

A: Answer:  CARDIOVASCULAR SYSTEM : In all multicellular organisms there is a system which transports…

Q: Provide the alternative terms for the contraction and relaxation of heart chambers.

A: The human heart is the one organ that powers the entire body. Without it we wouldn’t be able to do…

Q: Which organs have an increased proportion of cardiac output during exercise? Which receive a…

A: Cardiac output is also called heart output. It describes the blood volume being pumped by the heart…

Q: Is Atrial Fibrillation a lethal rhythm

A: A human heart have four chambers: upper two atrium and lower two ventricles. All the four chamber…

Q: how does the delay of the impulse at the atrioventricular node contrribute to cardiac function?

A: The AV node serves as an electrical relay station, slowing the electrical current sent by the…

Q: What type of cardiac rhythm is this??

A: Electrocardiogram (ECG): This is a simple test. this test can be used to check: -Heart's rhythm…

Q: Write a note on “Regulation of cardiac activity”?

A: The human heart is myogenic as it generates its own electrochemical impulse through the activity of…

Q: Define a cardiac cycle and the cardiac output.

A: Cardiac system or in clinical terms , the cardiovascular system is defined by the entire organ…