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There are two primary kinds of cells in the heart muscle These cells are the myocardial and electrical cells?
Myocardial cells lines the muscular walls of heart tissues (contractility and extensibility)
Electrical cells is the conduction system of the heart. Can be conducted 3 ways: automaticity that generates action potential, excitability that responds to electrical impulses and conductivity transmit an electrical impulses from one cell to the next
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What is a correct statement about the function of myocardial cells?
Myocardial cells are responsible for generating and conducting electrical impulses that regulate the heart's rhythm and contraction. They work together to ensure coordinated and efficient pumping of blood throughout the body. Additionally, myocardial cells have a high demand for oxygen and nutrients to maintain their contractile function.
What describes when the myocardial cells recovers electrically?
The process by which myocardial cells recover electrically after depolarization is called repolarization. During repolarization, the cell's membrane potential returns to its resting state as potassium ions exit the cell. This phase prepares the myocardial cells for the next electrical impulse.
What are the only two types of cells that have excitable membranes?
The only two types of cells that have excitable membranes are neurons and muscle cells. Neurons transmit electrical signals in the nervous system, while muscle cells generate electrical signals that lead to muscle contraction.
What is the function of T tubules in muscle cells?
T tubules in muscle cells help transmit electrical signals deep into the cell, allowing for coordinated muscle contraction.
What is the function of the T tubules in muscle cells?
The T tubules in muscle cells help to transmit electrical signals deep into the cell, allowing for coordinated muscle contractions.
The ability of the myocardial cells to respond to an electrical stimulus is known as what?
The ability of myocardial cells to respond to an electrical stimulus is known as excitability. This property allows the cardiac muscle cells to generate action potentials in response to electrical impulses, facilitating coordinated heart contractions and maintaining effective blood circulation. Excitability is a crucial aspect of the heart's electrical conduction system.
The electrical synapses between adjacent myocardial cells are called?
gap junctions
What is a correct statement about the function of myocardial cells?
Myocardial cells are responsible for generating and conducting electrical impulses that regulate the heart's rhythm and contraction. They work together to ensure coordinated and efficient pumping of blood throughout the body. Additionally, myocardial cells have a high demand for oxygen and nutrients to maintain their contractile function.
What is the Electrical synapse between adjacent myocardial cells are called?
Gap junction
What describes when the myocardial cells recovers electrically?
The process by which myocardial cells recover electrically after depolarization is called repolarization. During repolarization, the cell's membrane potential returns to its resting state as potassium ions exit the cell. This phase prepares the myocardial cells for the next electrical impulse.
The primary function of the myocardial working cell include a automaticit b regeneration contraction and relaxation impulse propagation?
The primary function of myocardial working cells in the heart is contraction and relaxation, which allows the heart to pump blood efficiently through the body. These cells also play a role in conducting electrical impulses to maintain the heart's rhythm. While these cells do not have the ability to regenerate significantly, they can adapt and hypertrophy in response to increased workload or damage.
What vessels that carry oxygen to the myocardial cells are called?
The vessels that carry oxygen to the myocardial cells are called coronary arteries. These arteries supply the heart muscle with oxygen-rich blood to support its function.
What does myocardial cell injury mean?
Myocardial cell injury refers to damage or harm to the cells that make up the heart muscle (myocardium). This can be caused by various factors such as lack of oxygen, toxins, inflammation, or physical trauma. Myocardial cell injury can lead to heart conditions such as heart attacks or heart failure.
What are the only two types of cells that have excitable membranes?
The only two types of cells that have excitable membranes are neurons and muscle cells. Neurons transmit electrical signals in the nervous system, while muscle cells generate electrical signals that lead to muscle contraction.
Why is it important for cardiac muscle cells to be branched and interconnected with other cardiac muscle cells?
so electrical impulses can be carried freely between cells
What is the function of T tubules in muscle cells?
T tubules in muscle cells help transmit electrical signals deep into the cell, allowing for coordinated muscle contraction.
What is the function of the T tubules in muscle cells?
The T tubules in muscle cells help to transmit electrical signals deep into the cell, allowing for coordinated muscle contractions.
