What part of the heart act as a shock absorber

Q: which arrhythma refers to rapid, random, inefficient, and irregular contrations of the atria and…

A: Arrhythma is defined as the speed of heart beat which may be slow and fast . Bradycardia = slow…

Q: Which of the following statements is WRONG about Veins

A: correct answer a. They Vasoconstrict on sudden standing up    Reason: because this is mainly occurs…

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 ___ (which chamber?) pumps blood into the aorta.

A: Heart is utmost important organ of all the living organisms.  It is the organ that pumps blood…

Q: Why low capillary blood pressure is desirable

A: Capillaries are microscopically thin blood vessels in the circulatory system. They are the sites of…

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 mathematical relationship between peripheral resistance and vessel radius; why this is related…

A: Blood is a non-Newtonian fluid, thus it is better analyzed using rheology rather than hydrodynamics.…

Q: How the Frank–Starling law of the heart matches stroke volume to venous return.

A: The frank-Starling law of the heart describes the cardiac hemodynamics with relation to the myocyte…

Q: Which chamber of heart contract at the same time 1. No chambers contract at the same time 2. Right…

A: Answer: Introduction: The heart is a muscular organ of circulatory system; it pumps blood by the…

Q: The heart is resting during Select one: ventricular systole. the ejection period. ventricular…

A: Cardiac cycle The cardiac events that occur from the beginning of one heart beat to beginning of…

Q: Prominent effect of the cardiovascular system in patient with hypercortisolism is:A. HypertensionB.…

A: Hypercortisolism is a rare endocrine disorder caused due to chronic exposure of body tissues to high…

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: One of heart characteristics that each cell has ability to conduct impulses to the next cell. (Use…

A: Heart is central pumping part body

Q: The heart is made up of___________  chambers each that serve a specific purpose.  The ______________…

A: Heart is a organ that pumps blood. It supplies oxygens to all organs of body.

Q: The difference between blood flow and perfusion

A: Blood flow refers to the movement of blood while perfusion is the amount or volume of the blood that…

Q: A sequence of actions that maximize the victim's chances of survival cardiopulmonary resuscitation…

A: Chain of Survival is the fits the best with this definition. ANSWER-2nd Chain or survival is the…

Q: Structures in order as it relates to the pathway of blood flow through the heart/body after is…

A: The oxygenated blood from the lungs are sent to the heart via Pulmonary Vein which drains the whole…

Q: ventricles

A: At the end of      diastole ,the ventricles are 70% filled.

Q: Factors that affect blood pressure

A: Blood pressure is the amount of pressure that is applied to the circulating blood vessels OR It is…

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: 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: benefits of 1 vs 2 loop circulation system, benefits of 4 chambered vs 3 vs 2 chambered heart

A: One loop circulatory system has only obe circuit . In Single circuit circulation blood flows…

Q: During what stage or stages is blood being pumped from the atria into the ventricles

A: The cardiac cycle completes in four different stages: They are filling phase, isovolumetric…

Q: how Physiological effects  it impacts upon the body system. for coronary heart disease

A: Coronary heart disease is caused due to the narrowing of the coronary arteries. The coronary…

Q: Blood pressure is a measure of the pressure placed upon the walls of the arteries. There are two…

A: The blood pressure usually refers to the pressure in the large arteries of the systemic circulation.…

Q: which ventricle ejets more blood

A: Answer.   Considering a few cardiac cycles it is found that left ventricle pumps more blood than the…

Q: Interpretation of Electrocardiogram for identification of arrhythmia in different heart disease

A: Electrocardiogram (ECG) is the method used to determine functioning of heart and its abnormalities.…

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: arteries when your heart * contracts (beats)

A: Top number or Systolic pressure is the pressure inside the arteries when the heart contracts and…

Q: The electrocardiogram (EKG) is a tracing of the electrical events in the myocardium cardiac output…

A: Electrocardiogram is a very popular technique, used in medical biology, to determine the problems…

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: the table to compare arteries and veins by explaining the differences between them, including both…

A: Human anatomy is the study of the human body's bones, joints, muscles, and systems. The brain…

Q: Which of the following arrythmias is characterized by extremely fast but coordinated contractions?…

A: Arrhythmia is the condition referring to irregular heartbeats or alterations in the heartbeat. Most…

Q: The cardiac cycle includes all the events associated with the flow of blood through the heart during…

A: * cardiac cycle is series of events of heart from beginning of one heartbeat to the beginning of the…

Q: On a diagram of a frontally sectioned heart, indicate the location of the cardiac skeleton.

A: The cardiac skeleton is also known as the fibrous skeleton of the heart. This section of the heart…

Q: Effect

A: Atropine is  a naturally occurring tropane alkaloid   extracted from Deadly nightshade (Atropa…

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 period of ventricular filling - O phase 1 of pacemaker action potential O phase 3 of contractile…

A: Heart remains in systole for about 0.3 seconds and diastole for 0.5 seconds. The diastole is a…

Q: The apex is at the inferior end of the heart. TRUE OR FALSE

A: The apex is the blunt end present below the ventricles. it is the inferior or bottom part of the…

Q: he names and synonyms for es of the heart.

A: We know that the heart is a muscular pumping organ that pump the originated blood throughout the…

Q: EDV, ESV, SV and CO of the heart.

A: The heart has two separate pumps where the blood flows in a unidirectional aspect from the right…

Q: In a normal beat the heart ejects about 90% of the blood in its chambers.  True  False

A: Heart is an organ which helps in pumping of blood through the blood vessels of circulatory…

Q: . A series of simple, well-labelled, schematic diagrams to illustrate the chambers of the heart and…

A: CHAMBERS OF HEART..

Q: The conduction system of the heart: 1. SA node 2. AV node 3. 4. __ 5. -

A: The heartbeat is controlled by a set of nodes, cells, and impulses known as the cardiac conduction…

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: Why is the left ventricle more muscular than the right ventricle (in heart)? Please write very…

A: Heart is one of the vital organs of the body which is responsible for pumping blood to different…

Q: Jugular veins carotid arteries- a cava

A: Veins and arteries are the blood vessels which carry the oxygenated and deoxygenated blood…