Where are cardiac muscle cells found in the heart? O myocardium O pericardium O endocardium O great vessels O cardiac skeleton

Q: Is Cardiac muscle the muscle of the heart? How does it function?

A: The Muscle is a soft tissue that contains actin and myosin protein filament that are responsible for…

Q: Inotropic agents affect: contractility. O depolarization. O heart rate. O stroke volume.

A: Given: Inotropic agents are also called as intropes. These are the medicines that alters the force…

Q: What is the difference between an endocrine and exocrine gland? Differences between cartilage and…

A: Introduction :  Muscular tissue is a type of tissue that aids in muscle contraction. By exerting…

Q: What two factors determine the pressure gradient that drives circulation? O cardiac output and…

A: Pressure gradient By creating a pressure gradient, the heart drives the blood through the vessels.…

Q: As a result of the long refractory period in the contractile cell refractory period, cardiac muscle…

A: Muscles perform various functions as movement, which is the fundamental purpose of muscles is to…

Q: Which of this muscle is found in heart? O cardiac muscle O smooth muscle O skeletal muscle

A: Muscles are in the form of contractile fibres varying in lengths and form muscular tissue. The…

Q: A heart microslide demonstrates cells in the shape of pale chords, which have few myofibrilla,…

A: As per the guidelines, only one question will be solved here, please repost the other question…

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: Assume your heart rate is 70 beats per minute (bpm), and eachminute your heart pumps 5.25 l of blood…

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

Q: The pressure in the veins sufficiently high to drive the flow of blood into the heart is callec O…

A: The heart is a fist-sized organ that pumps the blood throughout the body. It is the primary organ of…

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: Describe cardiac muscle tissue and compare its structure and physiology to the other types?

A: Muscular tissue or muscle tissues are generally three types:  Smooth muscle tissues Skeletal muscle…

Q: Describe the histology of cardiac muscle tissue, and differentiate ?it from that of skeletal muscle?

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

Q: Why do the cardiac muscles cells demonstrateautorhythmicity?

A: Autorhythmicity is a property of specialized cardiac cells called pace maker cells that directly…

Q: Action potentials are spread rapidly between cardiac muscle cells by a. sarcomeres. b. intercalated…

A: An action potential is a way by which a neuron transports electrical signals.

Q: The pacemaker cardiac muscle cells rely on for their action potentials.

A: Cardiac muscles are found in the heart. They are auto excitable. Cardiac muscles are striated,…

Q: Muscle is striated and not under voluntary control Cardiac Smooth Skeletal

A: Just like skeletal muscle, Cardiac muscle is also striated or striped. They are located in the…

Q: The cells of the myocardium behave as a single, coordinated unit called a Select one: О а. cardiac…

A: Cardiovascular system plays a vital role in the transport/supply of nutrients, gases and removal of…

Q: What chamber of the heart does blood leave as it goes to the lungs? O left atrium right ventricle O…

A: Answer:  BLOOD is the connective tissue present in our body composed of plasma, formed elements.…

Q: What is the role of Ca2+ in the shape and duration of an action potential. (Cardiac muscle cell)

A: The duration of an action potential for cardiac muscle cell is between 200-250 milliseconds. There…

Q: Pectinate muscles present in the O A. right atrium O B. right ventricle O C. left ventricle O D.…

A: The human heart is the main organ of the cardiovascular system. It pumps oxygenated blood to all…

Q: Which of the following is an example of muscular arteries? O A. brachial O B. brachiocephalic OC.…

A: Muscular arteries are those arteries that take blood from the elastic arteries. They are, usually,…

Q: Which type of circulation ensures enough oxygenated blood will be supplied to myocardium-the main…

A:

Q: The pulmonary circuit involves blood flow from the heart to and from the: O lungs body liver O brain

A: INTRODUCTION:-  The system which helps in transportation of blood from one part of…

Q: 20. Rodrigo joined a kilometer-dash sprint and felt very exhausted afterwards. How did Rodrigo's…

A: Heart is a muscular organ which pumps blood. It is four chambered.

Q: 2. What type of blood vessel returns blood to the heart? O A. Artery B. Vein O c. Capillary O D.…

A: ANSWER;- B) Vein Explain;- Veins (in blue) are the blood that returns blood to the heart. Profound…

Q: Krogh is a good model for O cylindrical tissue constructs Tumors O Arteries O Capillaries Veins

A: With such a wide number of problems, there'll be some animal of choice, or a few such species, on…

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

A: The heart is a vital organ for survival, as it pumps blood throughout the body. The heart is made up…

Q: Cardiac output is a measure of heart rate and O tachycardia O stroke volume O bradycardia O…

A: The correct Option for the answer is Option B stroke volume.  Cardiac output is measured by…

Q: Describe the conditions at the sarcolemma of cardiac muscle cells at rest.

A: They are connected by intercalated discs. These are striated fibres with a single nuclei. Sarcolemma…

Q: What are cardiac muscles?

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and…

Q: Which component of the heart conduction systemwould have the slowest rate of firing?a.…

A: Step 1 A cardiac conduction system is an array of functional and specialized cardiac muscle cells,…

Q: One of the common antihypertensive agents is a class of medicines called calcium- channel blockers.…

A: Answer :- Option (C) is correct. - They reduce heart rate. - They block entry of calcium into heart…

Q: What is the function of the valves in the heart? promote contraction of the ventricles O prevent…

A: Heart:  It is located in the chest cavity. It is protected by the layer called pericardium. The…

Q: What short-term changes in an animal’s cardiovascularfunction might facilitate using skeletal…

A: The cardiovascular system refers to the heart, blood vessels, and blood. Blood contains oxygen and…

Q: Cardiac myocytes are mechanically connected via O Gap junctions O Autorhythmic cells O Purkinje…

A: Cardiomyocytes:               The cells responsible for generating contractile force in the intact…

Q: From which chamber of the heart does blood leave to go to the body: O Left atrium O Both left…

A: Please follow step 2 for detailed explanation.

Q: What do you mean by cardiac muscles?

A: Muscles are the structures that attach to the bones and enable the movement of the body. There are…

Q: Extraodinary contraction of the heart or its certain part is called: O a. extrasystole O b.…

A: Answer given below

Q: Why does your heart never tire of constantly beating to pump blood throughout your body? OA It…

A: Question- Why does your heart never tre of constantly beating to pump blood throughout your body? A)…

Q: What are three anatomic or physiologic differences between skeletal muscle and cardiac muscle?

A: The biological level of the organization is a hierarchy in which the living thing and structures are…

Q: Cardiac muscles differ from skeletal muscles in that they ________.

A: Cardiac muscles are different from skeletal muscles in different aspects, cardiac muscles are…

Q: Cardiac muscles differ from skeletal muscles in that they

A: We know that cardiac muscles are involuntary muscles whereas skeletal is voluntary which requires…

Q: Coordinated contractions of cardiac muscle are controlled by pacemaker cells, allow for your heart…

A: The pacemaker cells or SA node generate slow positive increase in voltage across the cells membrane…

Q: upper chambers

A: Answer: The two upper chambers of the heart are called the atria. They are the chambers that fill…

Q: In which direction does Ca2+ move in response to the opening of voltage-gated Ca2+ channels: into or…

A: Voltage-gated ion channels are a type of transmembrane protein that forms ion channels that are…

Q: 12 The diagram below illustrates a small portion of a vein and its neighbouring skeletal - muscles.…

A: There are three types of veins present in lower limbs namely, deep veins, superficial veins, and…