Compare and contrast sympathetic and parasympathetic control of heart rate

Q: Describe the autonomic innervation of the heart.

A: The heart is innervated by sympathetic and parasympathetic fibres from the autonomic branch of the…

Q: Describe the heart’s pacemaker and internal electrical conduction system.

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

Q: Explain the conduction system of the heart. How heart rate is controlled in our body.

A: The conducting system of heart It is made of myocardium that is specialised for initiation and…

Q: Explain how the heart is a double pump and why this is significant

A: Human heart is situated in the space of thoracic cavity present between two lungs.

Q: heart failure occurs when

A: Congestive heart failure is commonly known as heart failure that refers to a condition in which the…

Q: activities demand more body movements? Explain. Give 2 systems that are directly affected whenever…

A: * when we exercise we feel increasing in breathing and hear beat too. * we require more oxygen when…

Q: Explain the process by which a large volume of fluid in thepericardial cavity decreases cardiac…

A: The process that defines the volume of blood that is ejected by the heart in a time period of one…

Q: Relate the timing of heart sounds to the ECG waves and pressure changes during systole and diastole.

A: ECG stands for Electrocardiogram. It is the graphical representation of the conduction system and…

Q: What compensatory measures does the body employ in an attempt to restore cardiac output?

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: compare and contrast the difference between, right, left, and biventricular heart failure. Explain…

A: Heart failure occurs when the body is unable to pump enough blood to supply the required nutrients…

Q: What effect does sympathetic stimulation have on the heart?

A: The sympathetic nervous system is responsible for stimulating the vasoconstriction of blood vessels.…

Q: Explain the working of heart.

A: The heart is a muscular organ and is a structure associated with the cardiovascular system.

Q: Describe the effects of sympathetic and parasympathetic neuronal stimulation on heart rate.

A: the effects of sympathetic and parasympathetic neuronal stimulation on heart rate are:

Q: Name hormones that have an effect on heart rate State two other factors that affect heart rate.

A: Heart rate refers to the speed of the heartbeat. It is generally calculated by the number of…

Q: List other factors that affect heart rate

A: Heart rate is the rate at which heart beats per minute. The average adult heart rate is 72 beats per…

Q: Explain the origins of heart sounds.

A: Introduction  Valves of the heart: Hearts have two pairs of valves which helps heart in back flow of…

Q: Explain what the pulse rate of a person indicates.

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

Q: Describe the anatomy of movement of the wave of cell depolarization throughout the heart during the…

A: The cardiac cycle:It is comprised of a whole relaxation and contraction of both the atrium and…

Q: What effect will an increase in parasympathetic activity have on heart rate, force of contraction,…

A: The  Autonomic nervous system (ANS) has two interacting systems: the sympathetic and parasympathetic…

Q: Describe the events that occur during one cardiac cycle.

A: The cardiac cycle is a process that occurs in the heart. The process refers to the event that takes…

Q: In Autorhythmic cells, Sympathetic control of heart rate leads to a(n)

A: Answer: Autorhythmic cells = These are the cells acts as pacemaker to initiate the cardiac cycle and…

Q: the human heart rate increases when the person is scared?

A: The heart rate of human adults in resting-state ranges from 60 beats to 100 beats per minute.…

Q: Define the term homeostasis. Define the term set point. Explain how a normal range of values for…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Fill in the blank:  Parasympathetic nerve fibers that supply the heart make up part of the…

A: According to the body requirements, the heart pumps blood that is variable in volume. During the…

Q: WHAT ARE THE EFFECTS OF SYMPATHETIC AND PARASYMPATHETIC NERVIUS SYSTEM ON THE CARDIAC OUTPUT>

A: Cardiac output is defined as the volume of blood pumped out of the heart’s ventricle in one minute.…

Q: Number of double circulations completed by the human heart per minute under resting conditions is

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

Q: arrhythmia would result from damage to the atrioventricular node

A: The atrioventricular (AV) node is an important region of the electrical system of the heart which…

Q: Explain how the blood volume in the left ventricle changes throughout the cardiac cycle in response…

A: Answer:  CARDIOVASCULAR SYSTEM : In all multicellular organisms there is a system which transports…

Q: Describe what happens to the chambers of the heart during diastole

A: Heart consists of four chambers to ventricles and two Atria. Diastole and systole are two phases of…

Q: Provide the alternative terms for the contraction and relaxation of heart chambers.

A: The human heart is the one organ that powers the entire body. Without it we wouldn’t be able to do…

Q: Describe the control of cardiac function by the autonomic nerves

A: ANS ( Autonomic Nervous system ) is responsible for controlling many physiological functions…

Q: identify the nine major pulse points on the body and rank them in order of strength.

A: Pulse is the beating of the heart that is felt peripherally through skin contact. Pulse rate is the…

Q: Compare the rate of blood flow out of the ventricles between the first and second heart sounds of…

A: The heart is the most important organ in the body. It is made up of several different types of…

Q: Describe the control of heart rate during and afterexercise.

A: Heart - heart is a body organ which pumps blood through blood vessel to the circulatory system.…

Q: Sympathetic Qc heart rate Normal Parasympathetic Heart rate Myocardial damage Pra

A: Heart Rate is the important physiologic regulator as determines the circadian rhythm of our heart…

Q: Calculate heart rate by counting the number of Large ecG Squares

A: The number of times a heart beats in a unit of time is called heart rate. Usually, it is measured as…

Q: When the SA node fails, the AV node establishes a new intrinsic heart rate. This will result in…

A: The rhythm of the heart is normally determined by a pacemaker site known as the sinoatrial (SA) node…