The coronary sinus can be found on the posterior aspect of the of the heart. O right atrium right ventricle left ventricle O left atrium

Q: Why does the heart need to be stopped during open heart surgery

A: OPEN HEART SURGERY : in open heart surgery a new route for blood to flow is created so that the…

Q: Generates electrical impulse that sets rhythm to the heart; the primary pacemaker of the heart. SA…

A: Heart has conductive system which generates and transfer the electrical impulses.

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: Part A- Why do arteries have many more elastic fibers than veins? O They have less pressure during…

A: The pathways through which blood is transported to body tissues are known as blood vessels. They are…

Q: the patient's heart makes a sound at systole, assuming it is the S1 sound made by closing of valves,…

A: Heart is the pumping organ in the body. It pumps the blood to various parts of the body.

Q: Part A - Why do arteries have many more elastic fibers than veins? O They have less pressure during…

A: Why do arteries have many more elastic fibers than veins:

Q: The myocardium is supplied by its own arterial blood supply, called the coronary circulation.…

A: In humans, coronary circulation can be described as the phase of systemic circulation during which…

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: The first vessel that branches from the ascending aorta is the brachiocephalic artery. True False

A: Heart is the mesodermally derived organ and it is present in the thoracic cavity. The membrane that…

Q: Where is blood pressure lowest? In the veins. In the arteries

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering the first…

Q: The ECG records the electrical stimulation of cardiac muscle by theconduction system and not the…

A: Electrocardiogram (ECG) is used to measure the changes in the electrocardiograph. One cardiac cycle…

Q: Coronary vessels - these su -They can be seen in the lo side of the heart. not reproe ona B.…

A: The heart is a muscular organ the size of a fist that is found just behind and just to the left of…

Q: The four-chambered heart is a single organ but is sometimes described as a “double pump” because it…

A: The cardiovascular system is composed of the heart, blood, and blood vessels. The heart pumps blood…

Q: Maximum aortic pressure during the cardiac cycle is called pressure

A: The human heart is a muscular organ which pushes blood into the circulatory system's arteries and…

Q: O One of the pulmonary vein OPumonary OSperior vena Cave

A: Answer. The heart chambers include two superior chambers, the right, and left atria, and two…

Q: Which of the following contributes to 1st heart sound during systole? Select one: Flow of blood…

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

Q: Which chamber(s) will be contracting right after this electrical event (in red) Q S

A: The cardiac cycle can be referred to as the human heart’s activity, which includes atrial…

Q: The right coronary artery typically:

A: Blood vessels are one of the three key components (The other 2 being the heart and the blood) are…

Q: Which of the following features applies to the aorta? semilunar valves present along the length…

A: The aorta arises from the left ventricle. The heart has two atrium and two ventricles. The aorta is…

Q: 12 14 13 Thew 11 10 25 8 15 12 14 24 19 23 18 21 22 15 22 16 17 17 R 15 18

A: The human heart is a muscular organ that pushes blood through the circulation system's veins, giving…

Q: Non-ST segment elevation myocardial infarction (NSTEMI) typically affects the: A pericardium B…

A: Myocardial infarction or heart attack is a heart condition or event where their is a sudden blockage…

Q: Depolarization / Repolarization Systole / Diastole ECG Wave Heart Chamber P-wave Atria Atria…

A: Electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

Q: ch below with axygen level and function for each heart section. Function: Only identify where the…

A: The heart is the most vital organ of the human body. It receives deoxygenated blood from all parts…

Q: he purpose of the atrioventricular valves is to prevent blood from flowing from the ventricles into…

A: The atrioventricular valve is present between the atria and ventricles. the left side of the heart…

Q: The blood pressure through the systém iš highest at the ou as it moves through the system…

A: The heart is the main organ of the cardiovascular system that supplies blood throughout the body. It…

Q: the skeleton of heart is composed of * O prominent loose connective tissue prominent loose regular…

A: Heart is a chief pumping structure in the circulatory system which composed of cardiac muscles . It…

Q: We could expect the thinnest walls of a healthy heart to be found in the: aorta O pulmonary trunk…

A: Heart is muscle like structure in the circulatory system whose main function is distribute…

Q: Damage to what valve would allo flow into the right atrium from a O bicuspid valve O tricupsid valve…

A: The arteries, arterioles, veins, venules and capillaries are the blood vessels forming the…

Q: Use an arrow to indicate where DORV would occur on the flow chart (right ventricle to aorta and…

A: Heart is the organ that pumps blood throughout the body. There are various steps involved in the…

Q: An embolus lodged in the circumflex artery could impair blood flow to what portion of the heart? O…

A: The cardiovascular system is also known as the circulatory system allows the blood flow throughout…

Q: Which part of the heart is responsible for the muscular contractions that pump blood through it?…

A: Heart is a muscular organ present in thoracic cavity which helps in blood flow through out the body.

Q: The second heart sound is caused by

A: Answer:  The Lub - Dup sound produced by the heart is basically the closing of the heart valves.

Q: Which of the following occurs during ventricular diastole? Blood returns to the heart Blood is…

A: We know that the Cardiac cycle is a repetitive cycle where a heart performs its functions. This…

Q: Put the progression of the electrical excitation of the heart muscle in the right order Atrial…

A: Circulatory system is a part of body system which is involved in circulation of body fluids like…

Q: The timing of the first heart sound coincides with which ECG wave? O PR interval P wave T wave O QRS…

A: Human heart is four chambered and it pumps the oxygenated blood to each and every organ of the…

Q: visceral pericardium endocardium myocardium parietal pericardium pericardial cavity The heart is…

A: The human heart pumps blood during the frame thru the vessels of the circulatory system, providing…

Q: you are a red blood cell in the third toe, place the following blood vessels in order you would pass…

A: The venous system of the body carries deoxygenated blood from all over the body to the right atrium…

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: Could you please help me label this diagram?

A: Blue vessels ( 1 blue) : Veins.   These carry deoxygenated blood from the body tissues back to the…

Q: Systole of the left ventricle is directly caused by: (Select all correct answers, there may be one…

A: The heart is made up of cardiac muscles or myocardium containing cardiomyocytes. The human heart is…