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

Q: Which part of the heart is responsible for initiating and maintainingthe rhythmic activity of the…

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

Q: Some people have abnormal cords or bridges of myocardium that extend from atrium to ventricle,…

A: The second most common type of coronary arterial abnormality is the Myocardial bridge. It is the…

Q: Why does the heart spend more time in diastole then in systole?

A: Diastole and systole are the two phases of the cardiac cycle. They occur as the heart beats and…

Q: In the sheep's heart, the right atrium is _______ to the right ventricle.

A: Heart.  It is a muscular organ that pump the blood to different part of the body.

Q: The heart has three layers the outermost of which is called the ___

A: The heart has three layers known as 1) Epicardium -Outermost layer 2) Endocardium - Innermost layer…

Q: Which structure is present in the right ventricle of the sheep's heart but not in the left…

A: The heart is one of the vital organs in the body. The main function of this organ is to pump up the…

Q: What causes the heart sound LUBB and DUP.

A: Heart is a muscular organ which serves to pump the blood. Mammalian heart has two atria and two…

Q: Can the intraventricular septum prevents the electrical activity from stimulating the heart in a…

A: The intraventricular septum is present between two ventricles of the heart, generally preventing…

Q: What causes the heart sounds S1 and S2?

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

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: What is the largest artery in the heart? (where blood leaves the heart) A) Pulmonary VeinB)…

A: An artery is a blood vessel that carries blood way from the heart to the other parts of the body.…

Q: Why is the left side of the heart larger than the right?

A: The right side of the heart is designed to pump the blood into the lungs and then to receive oxygen.…

Q: What anatomical feature prevents the electrical signal from traveling directly from atrial muscle to…

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

Q: Why does blood pressure decrease from arteries to veins

A: The blood vessels are tubular carriers of blood in our body. They carry oxygenated blood from our…

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: 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: Why do you think it is important for heart valves to ensure that blood flows in only one direction…

A: Human heart is the Center for regulating blood across the body. It is made up of cardiac Muscles…

Q: What factors increaase the force of contraction of the heart and what factors decrease the force of…

A: Heart is one of the vital organs of a human body. It is responsible for pumping blood through the…

Q: Which region of the heart is innervated by the sympathetic division but not by the parasympathetic…

A: Heart is the vital part of the body that help in the circulation of blood, oxygen and nutrients…

Q: Which of the four chambers of the human heart has the thickest muscular walls?

A: The cardiovascular system consists of the heart, blood, and blood vessels and is also known as the…

Q: The lower chambers of the heart that contract to push blood out of the heart are called ___.

A: Heart is a muscular organ that pumps blood throughout the body.

Q: art pumps oxygenate

A: The heart can be defined as the muscular organ present in most of the animals which are responsible…

Q: The upper chambers of the heart that receive blood are called ___.

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

Q: what is the function of the valves found in the heart

A: The heart is a muscular organ that is part of the circulatory system and it is responsible for…

Q: What changes in cardiac function might you expect after surgical replacement of a defective heart…

A: The mammalian heart is a four chambered muscular organ with valves. The valve between the right…

Q: What activities of heart are controlled by sympathetic system and parasympathetic system.

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

Q: Explain the pathway of the conductions system in the Heart

A: The heart is a muscular organ consisting of four chambers. It consists of two upper chambers known…

Q: Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?   A.…

A: The human circulatory system consists of three main parts: lungs, heart, and blood vessels including…

Q: One complete heart beat goes from _______.

A: heart beat is the set of events which leads  to pumping of blood from heart to all parts of the body…

Q: The cardiac output of each ventricle is the same. Why is this? What would happen if the right…

A: The Cardiac Output is defined as the amount of blood that is pumped out by the two ventricles of the…

Q: Explain why it is more efficient for contraction of the ventricles to beginat the apex of the heart…

A: To answer this question we should have knowledge of Physiology.

Q: Which primitive area of the heart will give rise to theright ventricle?a. bulbus cordisb. primitive…

A: Heart is a hollow muscular organ. It pumps blood through the blood vessels of circulatory system.…

Q: Lumen of the right atrium Lumen of the right ventricle Right atrioventricular valve Right coronary…

A: * Heart is made up of cardiac muscles  * Heart consists of two atria and two ventricles  * And it…

Q: How can the heart be strong enough to pump blood up your legs against gravity?

A: The heart is incapable of pumping blood back up the veins in your legs and back to your heart on its…

Q: What type of tissue is the heart made out of

A: Introduction:- Tissues are a collection of cells that have a similar structure and perform the same…

Q: Why do ventricles have thicker walls than atria?

A: This question is based on the thickness of ventricles and atria.

Q: Blood flows from the superior vena cava right into the right atrium of the heart. TRUE OR FALSE

A: Superior vena cava brings deoxygenated blood from the upper part of the body.

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: Why is SA node called pace-maker of the heart?

A: Circulatory system consists of blood vessels that carry blood away from the heart and to the heart.…

Q: why is it important for a human heart to develop early and benign functioning

A: The fetal heart is the first developmental and functional organ.

Q: What part of the heart act as a shock absorber

A: The muscular organ that pumps blood via the distribution vessels of the circulatory system is known…

Q: The left and right sides of the heart are separated by a structure called the ___ .

A: Heart is chief pumping organ in the circulatory system which supply blood to each and other parts of…

Q: What would happen to the heart rate if some stimulus causes the blood pressure to decrease?

A: Answer given in below step...

Q: What is the function of the heart

A: The heart is a muscular organ located between the lungs in the middle of the chest but behind and…

Q: What is an electrical difference across the fibers of the heart called?

A: Introduction: Even if all of the nerves supplying the heart are cut or if it is divided into several…