Which compound is produced during exercise that vasodilates blood vessels to increase blood flow to the working skeletal tissue?

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: Differentiate between Pressure and Resistance?

A: Blood flows through the blood vessels like arteries, veins and capillaries due to the pressure…

Q: What is hyperemia? How is skeletal muscle tissue able to develop hyperemia?

A: Skeletal muscle is one of the significant muscle types. It is made up of striated muscle tissue and…

Q: What happens to arterial PO2, PCO2, and H1 concentration during moderate and strenuous exercise?

A: According to Dalton's law, every gas in a mixture of gases exerts its pressure independent of other…

Q: Why does increasing EDV increase contractility?

A: The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the…

Q: How will tissue PO2 change (if at all) in an exercising muscle that does not receive an increase in…

A: Partial pressure- Portion of the total pressure exerted by the presence of a single gas molecule.…

Q: Explain the events of excitation-contraction coupling.

A: Excitation-contraction coupling (ECC) is a mechanism that connects the plasma membrane stimulation…

Q: What factors determine local blood flow during exercise?

A: Blood flow can be defined as the process of the flow of the blood in the body. The factors which…

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: what is contraction in cardiac muscle cells in response to

A: Muscle cells are the cells also known as myocytes that help in the formation of muscle tissues. The…

Q: Did exercise cause the force of pulse to increase or decrease?

A: Typically speaking, during exercise, the heart beats faster and more robust to increase cardiac…

Q: Rigor mortis is usually complete within 1 to 2 days after death (depending onenvironmental…

A: Introduction: When muscle fibers are completely depleted of adenosine triphosphate (ATP) and…

Q: Match the two main anatomical divisions of the nervous system with the structures or descriptions. V…

A: Nervous system is a part of the body system which is involved in control, coordination and…

Q: What are the basic structural features of cardiac muscle cells?

A: Cardiac muscle cells, also known are cardiomyocytes form a branched structure in the heart. The…

Q: Describe possible mechanisms for why blood pressure may have a greater change during the Valsalva…

A: Physical fitness is essential in our everyday lives, it benefits us in so many ways and makes us…

Q: Compare and contrast the contractile mechanisms and the means of activation of skeletal and smooth…

A: Skeletal muscle  Skeletal muscles are attached to bones. These are long, cylindrical, striated…

Q: How does the excitation-contraction coupling in skeletal muscles and in cardiac muscles differ?

A: Introduction: The excitation/ depolarization of the muscle fiber results in developing action…

Q: What does calcium ion do in the excitation contraction coupling period? What step in the process…

A: Excitation contraction coupling It is defined as the mechanism that associates the plasma membrane…

Q: Answer both questions, they follow each other 1a)Which of the following is a function of the smooth…

A: Epinephrine is a catecholamine that is secreted from the adrenal medulla gland during the fight or…

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: How does digitalis result in an increased contractile force of cardiac muscle?

A: The muscular system consists of three types- Smooth muscle Skeletal muscle Cardiac muscle Cardiac…

Q: How does lovastatin reduce the severity of atherosclerosis?

A:

Q: Explain the mechanisms that increase muscular perfusion during exercise;

A: Increase in muscular perfusion during exercise : reduced vascular resistance increases perfusion of…

Q: What does it mean when we say cardiac muscle contraction is a graded contraction?

A: Contractions of the heart (heartbeats) are controlled by specialized cardiac muscle cells.

Q: What happens to your pulse rate during exercise? A) It lowersB) It stays the sameC) It increases

A: The number of beats or contractions produced by the heart per minute is called pulse rate. The…

Q: What causes hypotension during a severe allergic response?

A: Allergies also referred to as allergic reactions can be defined as an abnormal condition of the body…

Q: how calcium stored in the cardiomyocyte SR?

A: Cardiomyocytes are specialized muscle cells that make up the majority of the tissue in the heart.…

Q: What are the major factors influencing the force of contraction?

A: Muscle contraction is the enactment of pressure producing destinations inside muscle cells. The…

Q: Compare the structural and functional characteristics ofcardiac muscle with those of skeletal…

A: Cardiac muscle:a. It is found only in the heart.b. It appears long and rod-shaped cells,…

Q: Write the equation that defines the contributions of the three determinants of resistance?

A: The movement of blood through a vessel, tissue, or organ which is generally expressed in terms of…

Q: what are the important effects of Cardiovascular Training on Muscle

A: CARDIOVASCULAR TRAINING ON MUSCLES: cardiovascular training improves the endothelial function and…

Q: Is Elastance the reciprocal of compliance? Explain how?

A: Ventilation is the process by which oxygen is pulled into the lungs, which eliminates the carbon…

Q: What is the importance of warm-up and cool-down during exercise activity and what  dangers will…

A: Introduction: When someone engages in physical activity, they attempt to develop or maintain their…