Imagine that you are a red blood cell moving through the circulation. After moving into the right atrium, how many heart valveswill you pass through before you first enter the circulation of the lungs? How many heart valves will you pass through beforeentering the circulation of the brain?

Q: Unlike the arterial system, the venous system does not function directly from a pump like the heart.…

A: Introduction: The heart is a muscular hollow organ that dilates and contracts rhythmically to pump…

Q: Some babies, called “blue babies,” are born with a small hole in the wall between their heart’s left…

A: The cardiovascular system of the human body is made up of heart, blood, and blood vessels that help…

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 are the function and type of tissue in the following: Vena Cava  Muscular artery Vein

A: The heart is a muscular structure that is central to the cardiovascular system. The human heart has…

Q: The cardiovascular system interactswith which other body systems?

A: Homeostasis is the maintenance of stable internal environment from the surroundings. There are…

Q: when the blood from the heart goes out into the rest of the body it is oxygen rich blood, however…

A: The heart pumps the blood to the rest of the body through blood vessels. There are three main types…

Q: Blood leaves the right ventricle by traveling across the _____valve . ?

A: The cardiovascular thoracic muscular organ called the heart is anatomically divided into four…

Q: why is circulation dynamic?

A: The systemic circulation provides the functional blood supply to all body tissue. It carries oxygen…

Q: What is the name of the flap of tissue that prevents blood from flowing backward? Mention the name…

A: The human heart is made up of a special type of muscle known as the cardiac muscle. It consists of…

Q: Starting at the Superior and Inferior Vena Cava follow the arrows in the image above and list the…

A: The heart is the major pumping organ in circulatory system. It pumps the blood across body parts.

Q: Describe the path a red blood cell would take once it passed through the aortic semilunar valve and…

A: Carotid arteries are the arteries that supply oxygen-rich blood in the neck and head region.  They…

Q: pulmonary syste

A: introduction When blood goes through the pulmonic valve, it enters your lungs. This is known as the…

Q: Blood flows through the___________ vena cavae and coronary sinus into the right atrium through the…

A: The cardiovascular system mainly consist of heart, blood vessels and the blood which carries oxygen…

Q: One of the current major areas of research in heart transplants is the use of pig hearts for human…

A: A medical procedure where organs are removed from one body and placed in another body to replace a…

Q: Where does blood in the right atrium go next? :_______________ Where does blood in the left…

A: The cardiovascular system consists of the heart, blood vessels and blood. Its primary function is to…

Q: Could you explain why aortic wall is highly elastic?

A: Introduction: The aorta is the most prominent artery in the human body. It starts at the left…

Q: inwhich type of blood vessel is the pressure the greatest? Why are some parts of the lines zig zag…

A: Blood is the liquid connective tissue that is involved in delivering oxygen and nutrients to all…

Q: If your total blood volume is 5 liters, what volume is in your venules and veins right now? In your…

A: Blood is the connective tissue that is carried via the blood vessels. Arteries, arterioles,…

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: Why do capillaries permit the diffusion of materials, whereas arteries and veins do not?

A: The circulation of blood between the body and the heart occurs via the systemic arteries and veins…

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: The valve marked by the white arrow separates the (A) right atrium from the right ventricle (B)…

A: The heart is responsible for pumping the blood to different parts of the body.

Q: which human heart chambers are the first to show systole ?

A: Heart is a muscular organ which is mesodermal in origin, it is responsible for the pumping of the…

Q: Oxygenated blood leaves what chamber of the heart andtravels through which major vessel?

A: The blood vessels are generally of three types, namely, arteries, veins, and capillaries. These are…

Q: Which vessels carry oxygen-poor blood? :_______________ Which vessels carry blood away from the…

A: The cardiovascular system of a human consists of the heart, the blood, the blood vessels and the…

Q: How many pulmonary arteries and veins attached to the heart? What is the function of the pulmonary…

A: Pulmonary circulation is the movement of blood from the heart to the lungs, and then from the lungs…

Q: Which category of blood vessels have valve in their inner lining?

A: The blood vessels play a vital role in supplying various substances all over the body.

Q: How would the changes you described in pulmonary circulation then affect blood pressure in the…

A: The cardiovascular system or blood circulatory system delivers nutrients and oxygen to all the cells…

Q: You are a red blood cell and you find yourself in the left atrium, from there you pass through the…

A: Heart helps in the circulation of blood in the human body. It works like a pump. It is situated…

Q: A scene of a TV drama showed that a heart continues to beat when it was ripped from a brain-dead…

A: When a person is on an artificial life support system, the person no longer has any brain functions,…

Q: As we auscultate the heart it is imperative, we understand what part of the heart we are listening…

A: As we auscultate the heart, it is important to understand which part of the heart we are listening…

Q: As blood in the great arteries ricochets back against the closed semilunar valves, the second heart…

A: The second  heart sound is caused by the closure of the aortic and pulmonary truck semilunar valves…

Q: A classmate says that without specialized cells, the heart wouldn’t be able to help other organs and…

A: The cardiovascular system is one of the 11 major body organ systems that is concerned with the…

Q: Why is the wall of the left ventricle thicker thanthe wall of the right ventricle?

A: The circulatory system, also known as the cardiovascular system or the vascular system, is an organ…

Q: Blood that leaves the right ventricle is _________ and travels along the _______ to the _______.…

A: All the veins carry deoxygenated blood to the lungs and all the arteries carry oxygenated blood to…