What is the valve thatseparates the aorta from theheart? What is the importanceof that valve?

Q: What is the role of the coronary arteries?

A: The heart is an organ that can pump blood to the different parts of the body through different blood…

Q: What force is responsible for moving fluids out of capillaries at the arteriole end and moving…

A: Step 1 Capillaries are the blood vessels that are very narrow with a diameter of 5-8 µm. It develops…

Q: What are all the funtions of the heart?

A: Heart is the main organ of circulatory system. It is a fist sized organ that pumps blood throughout…

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: What is the function of heart valves? Why might a person with a leakyheart valve feel short of…

A: The human heart comprises four chambers which include two ventricles and two atria. There are valves…

Q: The valves regulate blood flow through what chamber

A: Heart is a mesodermal origin. It is placed in the thoracic (chest) cavity, in between the two lungs…

Q: Concerning the thicknessof their walls how differentare the heart chambers?

A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…

Q: What is the relationbetween the maximum andthe minimum blood pressurewith the phenomena of…

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

Q: Explain why veins are the only blood vessels thatcontain valves.

A: Veins are the blood vessels that carry blood from tissues back to the heart. The veins carry…

Q: What are the three main branches of the aortic arch, andwhich main body regions are supplied by each…

A: Continuation of the ascending aorta that begins at the second sternocostal joint's level and ends at…

Q: How does the heart impelthe blood?

A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…

Q: Where are the semilunar valves found?

A: Introduction:  Semilunar valves consist of three flaps (or cusps) of half-moon (semilunar) shaped…

Q: What effect does standing still for a prolonged time haveon the blood pressure in the feet and in…

A: The heart purposely pumps blood at a particular pressure such that blood is able to flow against the…

Q: Where does the thoracic aorta begin?

A: The heart is the primary circulatory organ of the body that comprises cardiac muscle tissue. The…

Q: What are the valves called that go from the ventricle to out of the heart?

A: The heart is a hollow, muscular organ primarily of cardiac muscles that functions as a pump to…

Q: What is the shape of an erythrocyte, and why is this shapeadvantageous to its function?

A: The blood cells are RBC and erythrocytes. They are produced in the bone marrow by a process called…

Q: Describe how the rate changes as blood flows throughthe aorta to the venae cavae.

A: Blood is a body fluid in humans and other animals. It delivers necessary substances such as oxygen…

Q: A blood clot in the first vessel branching from the aortic arch would affect the: left arm O lungs…

A: Circulatory system is a type of body system which is involved in circulation of body fluids  ,…

Q: What is the function of baroreceptors in the aortic arch and carotid arteries?

A: The aortic arch is the part of the main artery that bends between the ascending and descending…

Q: Why do shunt vessels skip capillaries and what exactly is the mechanism behind this?

A: Introduction:- A blood vessel that links an artery directly to a vein, allowing the blood to bypass…

Q: Explain why a high elastic content is required in the wallof the aorta.

A: Aorta is the most important and largest artery of the body. It originates from the left ventricle…

Q: More fluid leaves the capillary than returns to it, so how is theremainder returned to the vascular…

A: The semipermeable capillary membrane helps in the exchange of gases, nutrients, and waste…

Q: What are the phases of the cardiac cycle? Describe each phasewith respect to which heart chambers…

A: A cardiac cycle is defined as the steps involving the conversion of the deoxygenated blood to…

Q: Do the coronary arteries fill with blood when the ventriclescontract or when they relax?

A: Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart…

Q: Why is there a pause after the atrial contraction andbefore the ventricular contraction?

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

Q: What is the function of venous valves?

A: In human anatomy, veins are the only blood vessels that contain bicuspid (two elastic flaps of…

Q: If a blood cell was ejected from the left ventricle, what must it pass through in order to get to…

A: Introduction: The cardiovascular or the circulatory system is the body's transport system via which…

Q: We previously mentioned that arteries tend to carryoxygenated blood, but the great vessels entering…

A: Arteries are one of the three types of blood vessels that carry blood from the heart to tissues in…

Q: What are the capillaries ofthe vascular system?

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

Q: What are the blood vesselsthat carry venous blood to theheart? What is the bloodvessel that collects…

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

Q: Do the arteries that carryblood from the heart to thelungs contain arterial orvenous blood? What…

A: The human heart contains four chambers: two upper atria, and two lower ventricles. The…