a. When part of the heart muscle dies, how does itheal?b. How would the new tissue affect the strengthof the heart contraction?

Q: Explain why an incompetent valve reduces the efficiencyof the heart contraction.

A: The organ of the mesodermal origin-the heart is primarily accountable for blood pumping. Repeated…

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: State how changes in body position (changing from standing to reclining or from reclining to…

A: The circulatory system is one of the major systems of the human body. The circulatory system…

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: anatomy:  write summary about hte external structures of the heart

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

Q: Distinguish between the coverings of the heart and thelayers that compose the wall of the heart.

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

Q: Concerning the thicknessof their walls how differentare the heart chambers?

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

Q: Name the vessels which recieve blood from the heart and state the chambers which pumps into those…

A: Vessels are the component of circulatory system of the body. Their function is transportation 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: What is the function of the foramen ovale in the fetal heart?

A: The human heart is myogenic in nature i.e, it is capable of producing its own action potentials. The…

Q: a)How is one-way flow through the heart achieved and What are the stages of the cardiac cycle and…

A: The cardiac cycle is a function of the human heart from the beginning of the heartbeat to the…

Q: Identify the structures of the heart and explain the function of each part.

A: Structures of Heart are chambers, valves, arteries, and veins. They function to receive and pump…

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: 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: 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: Compare the structure and function of arteries and veins, and the significance of the skeletal…

A: The heart is the organ which plays an important role in the transport of blood and nutrients.the…

Q: Describe the cardiac cycle

A: The cardiac cycle refers to all the events or steps that occur from the beginning of one heartbeat…

Q: The death of cardiac tissue from lack of blood flow is commonly known as a heart attack, but…

A: Every muscle and tissue of our body needs oxygen for its survival, so as your heart muscles. A heart…

Q: A) Name the blood vessel and B) Identify the valve A B A) Aorta; B) Aortic Semilunar valve A)…

A: Heart situated in the left thoracic cavity in the cardiac notch.

Q: Describe the structure of intercalated discs in cardiac musclecells, and briefly discuss their…

A: Cardiac muscle tissues are tissues of the heart and help to provide strength and flexibility from…

Q: define Cardiac muscle,

A: Muscle is a soft tissue which is found in most animals. The tissues comprise muscle fibre called…

Q: Define the terms hypervitaminosis and avitaminosis.

A: Introduction: Vitamins might be viewed as a natural molecule needed in the eating routine in modest…

Q: Function of heart?

A: The body requires a circulating system for transport of a multitude of things. This is made possible…

Q: Discuss the importance of smooth muscle cells present in the aorta and all arteries.

A: Smooth muscle is employed in vessels to control blood pressure and flow in the cardiovascular…

Q: explain the  heart process

A: The human heart is an organ that pumps blood through the circulatory system's veins, giving oxygen…

Q: Y Identify structure X. Explain the function of structure Y. Explain how the structure of the heart…

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

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: Explain the cardiac cycle ?

A: The blood circulation starts with the contraction of the two atria. The ventricles at this time are…

Q: born with a hole in the upper chamber of his heart.Is this something Lisbon should worry about

A: An atrial septal defect is a birth defect of the heart in which there is a hole in the wall (septum)…

Q: What factors increase the chance of surviving a cardiac arrest?…

A: Cardiac arrest is a sudden loss of blood circulation failing the heart to pump efficiently. The…

Q: identify the parts of the heart

A: Heart is a four chambered structure having two atrium and two ventricle. There are four valves…

Q: The_______ carry oxygenated blood from the heart to the rest of the body?

A: Tge heart us a muscular organ about size of a fist , located just behind and left of the breastbone.…

Q: Compare the structural features of the different chambers and valves of the heart and how this…

A: The human heart is a four-chambered muscular organ with two-thirds of its mass to the left of…

Q: State the location of cardiac muscles.

A: These muscle fibers have a single nucleus, are branched, and joined to one another by intercalated…

Q: B. A Blood returning Blood coming from the heart to the heart D. E

A: Most important excretory organ inside the body is kidney. It filters the blood and forms the urine…

Q: describe why arteries that are no longer stretchy can cause the heart muscle to wear out and fail *…

A: Blood vessels carries the blood throughout the body. The blood vessel that carries oxygenated blood…