What are the pacemaker cells of the Heart and their normal heart rates?

Q: Why do we need to prevent the decompensated state in patients with heart failure?

A: Decompensation is any functional decline of a system or structure which was operating earlier with…

Q: What are the mechanisms that assist in returning venous blood to the heart?

A: The most important transport liquid in the human body is blood. This is circulated from heart to…

Q: Describe the four specific properties of cardiac cells of the heart?

A: The heart comprises generally of cardiovascular muscle cells (or myocardium). The remarkable…

Q: What is the mechanism behind the action potentials in the pacemaker cells?

A: A random, propagating, transitory and fast change of the muscle or nerve cell's resting membrane…

Q: What type of tissue composes the fibrous skeleton of the heart, and how is it organized?

A: The cardiac skeleton, also known as fibrous skeleton of the heart plays four major functions which…

Q: What are the names of the 4 valves located in the chambers of the heart?

A: The heart is a muscular pumping organ that pumps the oxygenated blood throughout the body through…

Q: What are the main factors that control heart rate?

A: Introduction:Carotid arteries carry blood from the heart to the brain. They branch off from the…

Q: How does the heart contract in detail on both the cellular and organ level?

A: The heart is a fist-sized organ and is made up of multiple tissue layers. It pumps blood throughout…

Q: What effect does a bigger heart have on stroke volume and heart beat?

A: Stroke Volume (SV) can be defined as the volume of blood in milliliters that is ejected from each…

Q: What are the causes of heart disease?

A: Heart disease, also known as cardiovascular disease, is a term used to describe a range of…

Q: What are the two blood vessels that provide the blood to the heart?

A: A human heart is 4 chambered mascular organ.  Both atria and ventricles are 2 in number. Along with…

Q: How does the AP relate to mechanical events occurring in the heart?

A: The heart is the epicenter of the cardiovascular system and is one of the major organs of the body…

Q: How does aging affect the heart?

A: The heart can be defined as the muscular organ that is about the size of a fist and situated just…

Q: What is the relationship between wall thickness and function among the various chambers of the…

A: Heart in humans have four chambers with different thickness of the walls. Generally the ventricles…

Q: Which layer is both a part of the pericardium and a part of the heart wall?

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

Q: How do the sympathetic and parasympathetic divisions of the autonomic nervous system adjust heart…

A: Heart rate can be defined as the pace at Which the heartbeats in a minute. The average heart rate of…

Q: I need help answer this question

A: As we know the Nervous system plays a major role in transmitting signals between different parts of…

Q: potential

A: Introduction:-The conductive cell's with in the heart established the heart rates and transmits it…

Q: What are the three populations of cells in the heart that can act as pacemakers? How do they differ?

A: The heart is a muscular organ and is involved in the pumping of blood via blood vessels. The blood…

Q: How are events of the cardiac cycle reflected in pressure and volume changes within the cardiac…

A: The cardiac cycle includes coordinated contraction and relaxation of heart chambers.

Q: Name the components of the conduction system of the heart, and trace the conduction pathway.

A: Heart is a derived from mesodermal layer of embryo , present in the thoracic cavity and tilted…

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: What are the values of pressure inside heart chambers?

A: The circulatory system is also known as the cardiovascular system or the blood-vascular system. This…

Q: What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning…

A: Introduction Significance of atrioventricular node and atrioventricular bundle in the functioning of…

Q: What action potential of specialized heart cells know the function of each channel and the process?

A: The myocardium tissue contracts and relaxes without tiring.   The cardiac resting membrane potential…

Q: How does COPD correlate with left ventricular pressure and primary heart failure

A: Chronic obstructive pulmonary disease is a long term condition of the lung which causes difficulty…

Q: What areas of the heart are deprived of blood when there is a blockage in the posterior…

A: Posterior Interventricular artery is a coronary artery, which is also known as the Posterior…

Q: How does the heart take in oxygen?

A: INTRODUCTION Heart Heart is the organ that pumps blood all over the body. This is powered by…

Q: The heart has its own built-in pacemaker that generates a basic rhythm (heart rate) that the…

A: Pacemaker is a device which is inserted in the skin near the heart to generate electrical impulses…

Q: What are the four chambers of the heart called?

A: KEY WORDS:- Heart - The heart is a organ by which pumps blood to the circulatory system. Pumped…

Q: How is the heart regulated by the nervous system?

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: how do gap junction and intercalated disks aids contraction of heart?

A: Cardiac muscle tissues are only limited to the heart. The contractions of the cardiac muscles are…

Q: Which valves are present on the right side of the heart? Which valves are present on the left side…

A: Valves that present on the right side of the heart - The tricuspid valve is located between the…

Q: What are the details of the heart contraction on both the cellular and organ level?

A: Systole is the contraction stage of the cardiac cycle, and diastole is the relaxation level.