Which of the following sequences is truly a systemic circulation pathway? A Right ventricle → pulmonary aorta → tissues → pulmonary veins → left auricle B Left auricle → left ventricle → aorta → arteries → tissues → veins → right atrium C Left auricle → left ventricle → pulmonary aorta → tissues → right auricle D Right auricle → left ventricle → aorta → tissues → veins → right auricle

Q: Which of the following lists the events of the cardiac cycle in thecorrect order?a. both atria…

A: Answer- Cardiac cycle is the process by which one total heartbeat is completed. It comprises of…

Q: Match each function to the correct cardiac valve. Prevents backflow of blood into the left atrium.…

A: Heart pumps blood to the body. Heart of mammals and birds has four chambers, 2 atria and 2…

Q: If the left side of the heart does not pump well enough to send all the blood contained in the…

A: The heart has four chambers:  1. The two superior which receive chambers are the atria 2. Two…

Q: Heart Anatomy The human heart has _# chambers. The top chambers TYPE are called and the bottom are…

A: To answer the blanks that are missed. The paragraph talks about heart anatomy.

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: Leaky Na+ channels in the cells of the SA Node do which of the following?   a-allow a slow…

A: d-allow a slow depolarization that eventually reaches the threshold for voltage-gated Ca2+ channels.

Q: a hypothetical disorder where a patient did not have an arterioventricular- bundle. As a result, the…

A: AV bundle also known as bundle of His. This is the only site where action potential can move from…

Q: Which of the following statements is correct? Group of answer choices Veins carry blood away from…

A: Veins  Veins are blood vessels that carry blood towards the heart. Stenotic heart valve Valve that…

Q: Which of the following occurs during ventricular diastole? a-The ventricles contract to force blood…

A: During ventricular diastole, the following occur- b- The ventricles relax and refill with blood c-…

Q: Which statement below best explains why valves are necessary in the veins but not in the arteries?…

A: Veins are vessels that take blood to the heart and deoxygenated blood is mainly transferred to the…

Q: Which best describes blood flow through the heart? oxygenated blood comes into the heart's left…

A: The heart, the lungs, and the blood vessels function to form the round circulatory system. The 3…

Q: Which of the following statements are true? (a) The left ventricle wall is thicker than the right…

A: It is related to the circulatory system

Q: Choose the statement(s) that are correct about serous membranes. Select all that apply. Visceral…

A: Serous membranes are membranes lining closed internal body cavities.

Q: What is meant by double circulation? What is its significance?

A: The circulatory system permits the blood circulation and thereby transports oxygen as well as…

Q: The left ventricle wall is very thick since it must pump blood to the entire body along miles of…

A: Human heart is a four chambered pump like organ. Among the four chambers, two are auricles and two…

Q: A key role of the atrioventricular node is to   act as a barrier to prevent the electrical impulse…

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: Which of the following slows the heart rate and AV conduction?A. Resting membrane potentialB.…

A: The atrial and ventricular contraction are part of the cardiac conduction system that is caused by…

Q: Place in order the structures through which blood would flow from the heart to the scalp on the…

A: The circulatory system is essential for the proper functioning of cells, tissues, organs, and organ…

Q: Figure 16.10 Which of the following statements about the circulatory system is false?a. Blood in the…

A: The body tissues get blood via various blood vessels. Two closed systems of tubes are made by them,…

Q: The atrioventricular valves open because ______.   A relaxation of the ventricles causes the…

A: Atrioventricular valves These are the valves which connect the atrium to the ventricles. There are…

Q: What do you mean by double circulation? Represent it diagramatically.

A: DOUBLE CIRCULATION;-Blood passes through the heart twice per circuit....the right pump sends…

Q: Which of the following is a large blood vessel that carries blood away from the heart? A. Vein B.…

A: Heart is a major organ which pumps oxygenated blood to the different parts of the body and recevies…

Q: If the pressure in the ventricles is higher than the pressure in the atria, but lower than the…

A: Heart valves open and close in response to pressure changes inside the heart chambers. the fluid…

Q: "During pulmonary circulation, blood leaves the __________."   A right ventricle and goes directly…

A: The blood circulation of the body is divided into two main types : Pulmonary Circulation, which…

Q: Which type of circulation ensures enough oxygenated blood will be supplied to myocardium-the main…

A:

Q: The purposes of arteries are all these EXCEPT ___.     carry blood from left ventricle to the…

A: Blood vessels are the tubular structure carrying out the blood within them. These includes arteries,…

Q: What is the correct sequence for flow of blood in the heart? o Superior vena cava → right ventricle…

A: The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps…

Q: Why is the left ventricle of the heart thicker than the right ventricle

A: Heart pumps blood to the body. Human heart has four chambers, 2 atria and 2 ventricles. Both the…

Q: What happens when the pressure in the ventricles becomes lower than the pressure in the atria?…

A: Introduction :- A ventricle is one of two big chambers towards the bottom of the heart that collect…

Q: The ventricle pumps blood to the systemic circuit, which sends blood to the Right, lungs Left, lungs…

A: The heart can be described as the organ having several critical roles in the living organism’s body.…

Q: One treatment for heart problems is “bypass surgery.” What is this and why is it done?

A: The heart is a muscular organ that is responsible for pumping the blood throughout the body. It is…

Q: Which one of the following statements is incorrect? There are no valves in arteries. the walls of…

A: Closed circulatory system is a type of circulatory system in which blood flows inside the blood…

Q: Which of the following structures acts to carry electrical impulse to the ventricles?…

A: The heart, in the simple words, a pump consisting of muscle tissue. Like all muscles the heart…

Q: As blood in the ventricles surges back against the closed AV valves, the first heart sound lubb can…

A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Q: All of the following statements regarding the cardiovascular system are correct, EXCEPT blood is a…

A: The circulatory framework is comprised of veins that divert blood from and towards the heart.…

Q: Which of the following sequences shows the correct pathway of blood from body to lungs?…

A: The circulatory system is responsible for transporting the blood from the heart to the whole parts…

Q: The structures in the heart which assure the proper direction of blood flow through that organ are…

A: In the heart there are 4 chamber . 2 upper chamber called right and left atrium. and 2 low chamber…

Q: Which heart chambers are used as route between heart and the entire body? right atrium, right…

A: Heart is a pumping organ. It is present in the circulatory system.

Q: Drugs such as nifedipine slow the heart rate. Nifedipine can be described as what type of drug?

A: The heart is a smooth muscle organ that pumps oxygenated blood throughout the body. Deoxygenated…

Q: The terms atrium and ventricle are used to describe chambers in a wide variety of animal hearts.…

A: Heart is a muscular organ plays central role in supplying oxygen and other nutrients to all parts of…

Q: Anatomic relationships to the sector image are orientated so that ______-sided structures such as…

A: Anatomic relationships to the sector image are orientated so that right-sided structures such as the…

Q: Describe the following circulation system: Description Example of organism Simple circulation system…

A: The circulatory system is a network consisting of blood, blood vessels, and the heart. This network…

Q: Why is pediatrics considered a less prestigious specialty than cardiology?

A: Pediatrics is a branch dealing with children's disease and cardiology is the branch in which…

Q: What keeps the atrioventricular (AV) valves from being pushed open as the ventricles contract?…

A: The heart is responsible for pumping enough blood to provide the brain and other internal organs…

Q: What is the consequence of the prolonged plateau of depolarization in ventricular myocytes?   a-it…

A: the consequence of the prolonged plateau of depolarization in ventricular myocytes.

Q: Describe the location and the position of heart in the human body.

A: The heart is that organ in our body which is made up of cardiac tissue. It helps in the pumping of…

Q: Order the contraction of the heart involving the nodes starting with blood entering the right atrium…

A: Human heart is myogenic that is muscular activity in the heart itself controls the pumping activity…

Q: what is the purpose and advantages of a double circulation system?

A: Double circulation is the flow of blood through the heart twice. The blood from all body parts is…