State some unique features of cardiac muscles.

Q: In what ways are autorhythmic fibers similar to and diff erent from contractile fibers?

A: Heart is a four chambered cardiovascular organ pumping blood throughout the body. The auricles and…

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: Describe the process of Excitation–contraction coupling in cardiac muscle?

A: Excitation contraction is a process through which an action potential (electric stimulus) from the…

Q: How is heart contractiontriggered?

A: The heart is a muscular organ, which pumps blood throughout the body. It is located in the middle…

Q: Explain the structure of cardiac muscle and how it helps produce coordinated contraction in each…

A: Cardiomyocytes or cardiac muscle cells form a highly branched cellular network in the heart. They…

Q: Describe the structural and functional characteristics of cardiac muscle tissue and the cardiac…

A: the structural and functional characteristics of cardiac muscle tissue:

Q: What initiates action potentials in cardiac muscle?

A: Generation of action potential activates the neuron during the generation of stimuli. It is studied…

Q: How is cardiopulmonary resuscitation administered?

A: Cardiovascular complications The cardiovascular system consists of the major organ, the heart, that…

Q: Explain how muscular activity and venous valves aid venous return.

A: The skeletal muscle contractions will compress the venous vessels and forcing the blood centrally…

Q: Describe the types and significance of intercellular junctions between cardiac muscle cell?

A: Cardiac muscle helps to contract the heart. There are 3 types of intercellular junction between the…

Q: explain how blood viscosityand blood vessel length each influence cardiac output?

A: Viscosity, a basal parameter in physics, is a crucial and important determinant of the shear stress…

Q: Describe the functional significance of the skeletal muscle pump and illustrate the action ofvenous…

A: Blood is a type of connective tissue that helps in circulating oxygen and nutrient throughout the…

Q: Discuss how the SA and AV nodes control the contractionsof the heart muscle, as well as how these…

A: A network of specialized muscle cells is present in the walls of the heart. These muscle cells are…

Q: Reduction in the lumen diameter of a blood vessel as the smooth muscle contracts is known as

A: The blood vessels are highly regulative structures that relax and contract whenever required to…

Q: Write the word formula relating cardiac output, heart rate, and stroke volume. Give normal values…

A: Cardiac output (CO) is defined as  amount of blood pumped per minute by each ventricle. Number of…

Q: Describe the process of Contraction Coupling in the Cardiac Muscle?

A: Answer: Introduction: Cardiac muscle, comprised of the contractile cells of the heart, contain a…

Q: Describe the properties of the cardiac muscle, including automaticity, excitability, conductivity,…

A: Cardiac muscle or heart muscle is also known as myocardium. It is one of the three kinds of…

Q: What happens to systemic blood pressure when the smooth muscle of muscular atries contract?

A: Blood vessels : Blood capillaries are artery ,vein , capillaries are made by three layers - Tunica…

Q: Explain the relationship between stroke volume and venous return.

A: The cardiovascular system consists of the heart, blood vessels and blood. The heart is a hollow…

Q: Identify physiological processes involved in STROKE

A: Stroke is a sudden neurological deficit caused by impairment in perfusion to the brain in other…

Q: Describe the arrangement of cardiac muscle fibers.

A: BASIC INFORMATION MUSCLE It is a type of soft tissue which are found in most of the animals. The…

Q: Define the term - vena cava ?

A: Answer- Humans have closed type of circulatory system and it comprises of arteries and veins to…

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: 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: Explain why pulmonary circulation is important.

A: The pulmonary circulation is the part of the circulatory framework that diverts deoxygenated blood…

Q: Explain the intercellular structures of cardiac muscle.

A: Heart is a muscular organ that pumps blood throughout the circulatory system. It is situated between…

Q: What are the two functional importances of the intercalated discs of cardiac muscle?

A: The intercalated discs are a specific feature of cardiac muscle fiber where it supports synchronized…

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: 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: Describe the functions of the chordae tendineae and the papillary muscles.

A: Heart is highly muscular in nature, it composed of smooth cardiac muscles which are mesodermal in…

Q: Amount of blood that is pumped out of the ventricle with each heartbeat. Stroke Volume Blood Supply…

A: The heart is a muscular organ which supplies the blood  through the blood vessels to the whole body…

Q: Differentiate apical thrill, systolic thrill and diastolic thrill.

A: This are heart sounds heard by Auscultating and this can heard in different situations.

Q: During heavy exercise, how much cardiac output may increase?

A: Cardiac output is the amount of blood pumped by the heart into the aorta in one minute. Heart beats…

Q: Explain in detail the difference between ischemic vs. hemorrhagic stroke.

A: Stroke is the condition that occurs when the blood supply to the brain is deprived or stopped. This…

Q: Discuss

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

Q: Define the term Absolute shunt?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…