Discuss how contraction and relaxation of arteriolar vascular smooth muscle regulates peripheral blood flow.

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: Blood flow to the skeletal muscles increases with exercise. Explain how the autonomic nervous system…

A: The functioning of every tissue requires energy which is provided by the generating metabolic energy…

Q: Define cardiomyocyte

A: The cardiovascular system is an organ system which distributes blood to all the parts of the body…

Q: What is the function of the smooth muscle in the arterial wall?

A: The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of…

Q: Define physiologic contracture

A: Muscles are the largest delicate tissues of the musculoskeletal framework. Muscle is inferred from…

Q: Compare action potential of pacemaker and non-pacemaker (working) myocardial cells?

A: Cell can be defined as the basic membrane-bound unit which contains the fundamental molecules of…

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: How does the SNS control vascular smooth muscle in arterioles?

A: The autonomic nervous system possesses two major divisions, sympathetic and parasympathetic nervous…

Q: Explain the characteristics of cardiac muscle tissue and cells.

A: Muscular tissue is the tissue that is responsible for carrying out movement of the body and its…

Q: What is the purpose of the thick elastic smooth muscle in arteries?

A: Arteries are high-pressure blood vessels that transport oxygenated blood from the heart to the rest…

Q: During exercise, arterial blood pressure changes very little. How￾ever, cardiac output may double…

A: Exercise means Regular or related practice of a  bodily organ. Or physical effort for the sake of…

Q: Briefly describe the events of excitation-contraction coupling in cardiac muscle cells.

A: Cardiac muscles are also called myocardium, which is a type of muscle in the body that is…

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: Compare the characteristics of skeletal and cardiacmuscle cell contractions.

A: Tissue comprises of structurally and functionally similar cells. It is a level of organization in…

Q: Describe the structural and functional properties of cardiac muscle, and explain how it differs from…

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: Name the characteristics of cardiac muscle tissue and cells.

A: For both skeletal and smooth muscle, the cardiac muscle shares the fundamental attributes. As like…

Q: As blood vessels increase in diameter, the amount of smooth muscle decreases and the amount of…

A: Blood vessels are the components of the circulatory system. They transport blood, nutrients, and…

Q: Explain 3 physical characteristics used to identify Cardiac muscle tissue.

A: Muscle tissues are highly vascularized and is responsible for most of the types of movement. There…

Q: Define cardiomyocyte

A: We know that The cardiovascular system, organ system that transmits blood through vessels to and…

Q: State some unique features of cardiac muscles.

A: Muscle is a soft tissue found in most animals. Muscles function to produce force and motion. There…

Q: Draw a ventricular muscle cell action potential.

A: The heart is a four chambered structure that is responsible for pumping the blood into the arteries…

Q: If branch A is twice the length of branch B, what is true regarding the resistance in branch A…

A: The Poiseuille's law states that the flow of fluid is related to various factors including length…

Q: What are the Effects of sympathetic nerves and plasma epinephrine on the arterioles in skeletal…

A: Central nervous system (CNS), and the peripheral nervous system (PNS) are two main parts of the…

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: Discuss the heart contraction on a cellular level, describing the contraction muscle fiber?

A: Introduction: The muscle cells comprise protein filaments, namely, myosin and actin, that slide upon…

Q: Explain why arterial blood flow is pulsatile and venous flow is not.

A: The cardiovascular system is also called the blood vascular or circulatory system, consists of a…

Q: Explain in detail the cardic cycle , in terms of the intrinsic conduction system?

A: Introduction: The two significant phases of the cardiac cycle are systole and diastole. The…

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: Differentiate the action potentials of the types of cardiac muscles

A: An action potential is a rapid, transient change in the electrical potential across the membrane of…

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: How does a positive inotropic agent increase the strength of cardiac muscle contraction?

A: A positive inotropic agent is any drug or medication that can change the force of contraction with…