Explain when and how the two sounds of heart are produced?

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: 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: Relate the thickness of the chambers of the heart to their functions.

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

Q: Describe the spread of excitation from the SA node through the restof the heart?

A: In the mammalian heart, the heartbeat originated from the cardiac muscles. The heartbeat originated…

Q: Explain the electrical and mechanical events in the cardiac cycle, including their relationship to…

A: The sequence of events performed by the heart from one heartbeat to the commencement of next is…

Q: Identify the correct sequence of blood flow through the chambers of the heart.   A "left ventricle,…

A: BLOOD FIRST ENTERS THE RIGHT ATRIUM AND THEN PASSES THROUGH THE RIGHT VENTRICLES. FROM RIGHT…

Q: Discuss that main factors that control heart rate?

A: We know that, Carotid arteries carry blood from the heart to the brain. They branch off from the…

Q: Describe the specific cause of each sound of the heartbeat.

A: Answer: Introduction: The Autonomous Nervous System is responsible for monitoring physiological…

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: (a) Describe how heart contraction and relaxation influence coronary blood flow. (b) Name the major…

A: Coronary circulation(coronary blood flow) is defines as a process of blood circulation where the…

Q: Describe the cardiac center and innervation of the heart.

A: The heart refers to an organ that pumps and provides blood supply to the body via the blood vessels.…

Q: Explain about the conducting systems of heart.

A: Heart maintain a constant flow of blood throughout the body. This replenishes oxygen and circulates…

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: What is the ejection fraction of the heart, and which amount of ejection friction is considered…

A: Heart is vital circulatory organ found in vertebrates and some of invertebrates. This essential…

Q: Trace the pathway of blood flow through the heart, and describe the major factors that ensure…

A: the blood vessels are organized into two different circulatory routes- SYSTEMATIC AND PULMONARY…

Q: What causes heart murmurs?

A: The human body is comprised of various organs and organ framework. There are 11 diverse organ…

Q: Describe the cardiac cycle, and explain why heart valves open in onlyone direction.

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

Q: Predict the potential effects of right-sided heart failure (failure of the right ventricle to pump…

A: When the right side of the heart does not pump blood as properly, the right sided heart failure…

Q: Relate the opening and closing of specific heart valves in each phase of the cardiac cycle to…

A: The highly coordinated sequence of electrical, mechanical, and vascular events constitutes the…

Q: Identify the structures in the following diagram of a sectional view of the heart.

A: The heart is an organ of the pump which beats about 60 to 100 times per minute on an average of 72.…

Q: Trace the pathway of blood through the heart. List, in the order that blood flows, the names of the…

A: Blood circulation is the process of transport of nutrients and oxygen by the connective tissue…

Q: How are the two heart sounds produced during cardiac cycle? Which one of these is of longer…

A: The cycle that involves the end of one heartbeat and initiation of the second heartbeat is called…

Q: Identify/describe the major surface features of the heart.

A: The heart is surrounded by pericardium membrane that is further subdivided into inner serous…

Q: Name the major branches of the heart.

A: The heart is the blood-pumping organ in the animals. It pumps blood via the blood vessels of the…

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 venous system of the heart?

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

Q: Explain The layers of the pericardium and the heart wall?

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in…

Q: Name the blood vessels that enter or leave the heart.

A: Blood vessels transport blood throughout the body. Arteries allow blood to transport away from the…

Q: Name the different chambers of the heart and describe their physical characteristics.

A: Anatomy is the branch of biology that deals with the study of the structure of organisms and their…

Q: Name the valves that guard openings in the heart.

A: Heart  It is a muscular structure present in the body. It's function is to pump blood to various…

Q: Identify what causes heart sounds

A: Heart sounds refer to the sounds produced by the heart while beating. These sounds are the result of…

Q: Describe the location and the position of heart in the human body.

A: The heart is that organ in our body which is made up of cardiac tissue. It helps in the pumping of…

Q: Describe the spread of the action potential through the heart’s conduction system.

A: A transient shift in voltage (membrane potential) across the cell membrane of heart cells is…

Q: Explain the mechanism of the contractions of the heart and how it is regulated?

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

Q: Pressure changes that occur during the cardiac cycle are responsible for what two physiologic…

A: The cardiac cycle is the time interval between atria contraction and ventricular relaxation. Fluids,…