Define the term - vena cava ?

Q: Name the valve present in the opening of inferior cava.

A: Inferior vena cava is the largest vein in the human body that is responsible for carrying…

Q: Which chambers of the heart have the heaviest musculature?

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

Q: What causes heart murmurs in systole?

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

Q: Identify the four valves of the heart?

A: Step 1 The human heart is hollow, a fibromuscular conical pyramidal mesodermal organ that lies…

Q: What is vena cava? Whichtype of blood circulates withinthe vena cava?

A: The heart is the muscular organ that involves in pumping action of blood to all parts of the tissue.…

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: What is the blood flow of the heart?

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: Which vessels supply blood to the myocardium?

A: The heart of the human has four chambers. These four chambers are the Left and Right atrium, Left…

Q: Define the terms pericardium and epicardium?

A: Human heart is located in the thoracic cavity between the lungs. It is a hollow, fibromuscular organ…

Q: (a) Describe how heart contraction and relaxation influence coronary blood flow. (b) Name the major…

A: Coronary circulation(coronary blood flow) is defines as a process of blood circulation where the…

Q: Describe the layers of the pericardium?

A: As mechanical protection for the heart and large arteries, the pericardium serves as a lubrication…

Q: Identify/describe the structure of the pericardium. Describe its function.

A: The pericardium is a double walled sac containing the heart and roots of blood vessels.

Q: Explain the term isovolumetric ventricular contraction?

A: The cardiac cycle in animals is the result of the atrial and ventricular contraction and relaxation…

Q: Define each of the following external features of the heart: auricle, coronary sulcus, anterior…

A: The heart is an organ that pumps blood through the arteries. The pumped blood carries oxygen…

Q: Which layer is both a part of the pericardium and a part of the heart wall?

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: Explain the operation of the carotid sinus reflex and the aortic reflex.

A:

Q: What are atrioventricular valves ? Where they are located ?

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

Q: How do the fibrous pericardium and the serous pericardium differ?

A: The pericardium is the membrane that covers the heart and also surrounds the roots of the major…

Q: Explain how and why the heart changes in old age?

A: Heart: The heart is a muscular organ about the size of a fist. It is located behind breast bone and…

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: Is the ventricle lumenlarger during systole or duringdiastole?

A: The heart is a pumping organ that pumps the blood throughout the body. The heart is made up of four…

Q: List the names of the atrioventricular valves

A: The prime organ of the circulatory system is the heart. It plays a vital role in pumping oxygenated…

Q: How does the blood in the pulmocutaneous arch differ from that in the higher two aortic arches?

A: The circulatory system of amphibians includes pulmocutaneous circulation. It is in charge of…

Q: What areas of the heart are deprived of blood when there is a blockage in the posterior…

A: Posterior Interventricular artery is a coronary artery, which is also known as the Posterior…

Q: What type of blood vessel takes the blood to the heart:artery, capilllary, or vein?

A: The cardiovascular system or blood circulatory system involves in the supply of nutrients and oxygen…

Q: Coronary artery disease in the acute marginal branches would affect which part of the myocardium?

A:

Q: Explain when and how the two sounds of heart are produced?

A: The heart is a muscular organ, which pumps blood throughout the body. It is located in the middle…

Q: relating to the heart - What is the function of the baroreceptors in the aortic arch and carotid…

A: Baroreceptors are sensory nerve cells which are specialised that can facilitate the central nervous…

Q: What is venous heart in Scoliodon?

A: Scoliodon belongs to a genus of sharks of family Carcharinidae. It has elongated and spindle shaped…

Q: When blood is flowing through a vena cava, which main blood vessel will it flow through next?

A: Heart is the most important organ of circulatory system. In humans, heart has two atria and two…

Q: Indicate on the diagram where the atrioventricular and semilunar valves would be found.

A: Heart is special organ of body which helps in pumping of blood to various organs and tissues of the…

Q: List the AV Conduction defects?

A: Introduction: AV conduction disorder is the collection of disorders where the conduction of the…

Q: Why is it important that the AV node delay the electricalimpulse moving from the SA node and the…

A: The  AV node is a part of the electrical conduction system of the heart that coordinates the top of…

Q: What is the function of the coronary sinus?

A: Blood that has been exposed to oxygen in the lungs is said to be oxygenated blood. Blood that has a…

Q: What innervates the pericardium?

A: The heart is the organ that pumps blood everywhere. This helps in the change of oxygen and carbon…

Q: Define the term Myocardial contractility?

A: More than 125 years ago, the term "myocardial contractility" was coined, but it has remained a…

Q: what is a heart murmur and what is its clinical significance?

A: The normal flow of blood through the valves of the heart makes the sound lub-dub. With a murmur, the…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.