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

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: Relate the heart sounds to the events of the cardiac cycle?

A: The cardiac cycle can be understood as the activity of the human heart from the finishing of one…

Q: Identify the four valves of the heart?

A: Step 1 The human heart is hollow, a fibromuscular conical pyramidal mesodermal organ that lies…

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: Describe how and why cardiac anatomy changes at birth?

A: The cardiovascular system comprises the heart, which is the anatomical pump with its internal parts…

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: Define cardiac output, describe how it is regulated, and identify factors that affect it.

A: Cardiac muscle tissue can be defined as one of the three types of muscle tissue in our body. Cardiac…

Q: Describe the structure of human heart.

A: The human heart is a pumping organ and is present in the thoracic cavity between the lings. The…

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: Define about Conduction system of the heart.  ?

A: The heart is a muscular organ and is about the size of a fist. It is present behind the left side of…

Q: Diagram of the heart and its functions.

A: The mammalian heart is a complex structure divided into four different chambers, namely the left…

Q: State the location and function of Cardiac center.

A: Heart rate is defined as the speed of the heartbeat and is usually measured 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: Identify the structures and chambers of the human heart.

A: Ans: The heart is the main organ of the human body which receives and pumps blood to and fro in…

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: Explain how and why the heart changes in old age?

A: Heart: The heart is a muscular organ about the size of a fist. It is located behind breast bone and…

Q: Give description of blood supply in cardiac muscle?

A: Blood consists of a fluid medium called plasma in which the cells are suspended. Plasma transports…

Q: Describe the location and position of the heart in the thoracic cavity

A: The heart is present in the center of the thoracic cavity, obliquely oriented , with heart apex…

Q: Describe one cardiac cycle,beginning with both atria and ventricle relaxed?

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: Describe the path of blood through the cardiac circuits

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Trace the flow of blood from the heart to any major organ of the axial region and back to the heart.

A: it is a very important system of our body it comprises of the blood and blood vessel three types of…

Q: Differentiate between a cardiac pacemaker and contractile cell?

A: In animals, the contraction of cardiac muscles begins by electrical impulses termed Action…

Q: Explain Mechanical Events of the Cardiac Cycle?

A: The cardiac cycle involves the events that occur in the heart chambers in a single heartbeat. The…

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: Describe the structures of the heart and the direction of flow through each structure ( Name them…

A: The heart is a hollow muscular organ that pumps the blood through the circulatory system by rhythmic…

Q: Explain the events of the cardiac cycle, and relate the heart sounds to specific events in this…

A: The cardiac cycle is the sequence of events that makes up a heartbeat. Each cardiac cycle has two…

Q: In 500 to 750 words, identify and describe the structure and function of the heart, how the cardiac…

A: The heart is a muscular organ which is a fist shaped organ. It is a primary pumping organ which…

Q: Explain in detail how the blood flows through the heart.

A: Heart is also known as Cardia It is the hollow muscular organ responsible for pumping the blood…

Q: Describe the function of the areas of the heart usuallysupplied by the left coronary artery.

A: Like any other muscles heart muscle needs its own supply of blood because it needs oxygen and other…

Q: trace the flow of blood from the heart to any region of theupper or lower limb and back to the…

A: All of the blood arteries that enable blood flow to and from the tissues of the lower limb make up…

Q: Name the blood vessels that supplies the walls of the heart with oxygen.

A: The heart consists of four chambers namely, right atrium, left atrium, left ventricle, and right…

Q: Identify/describe the four valves of the heart. Describe its functions.

A: The heart:It is blood pumping organ. It consists of four chambers: two upper chambers or atria and…

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: Discuss

A: Introduction: Our heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood…