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Where are myocytes found?
Myocytes are muscle cells and can be found in various types of muscle tissue throughout the body. They are present in skeletal muscle, cardiac muscle, and smooth muscle. Skeletal muscle myocytes are attached to bones and responsible for voluntary movements, while cardiac muscle myocytes are found in the heart and control involuntary contractions. Smooth muscle myocytes are located in the walls of hollow internal structures like blood vessels and the gastrointestinal tract.
What are the two types of cardiac myocytes?
The two types of cardiac myocytes are atrial myocytes, found in the atria of the heart, and ventricular myocytes, found in the ventricles of the heart. Atrial myocytes help facilitate the contraction of the atria, while ventricular myocytes aid in the contraction of the ventricles to pump blood throughout the body.
Does sympathetic stimulation of the heart increases heart rate and force contractions?
Yes, sympathetic stimulation of the heart increases both heart rate and the force of contractions. This occurs through the release of catecholamines, such as norepinephrine, which bind to beta-adrenergic receptors on cardiac myocytes. This stimulation enhances the rate of depolarization in the sinoatrial node, leading to an increased heart rate, and increases the contractility of the heart muscle, resulting in stronger contractions.
Muscle is involuntary and has few mitochondria?
This statement is incorrect. Muscle tissue can be either voluntary (skeletal muscle) or involuntary (smooth and cardiac muscle). Additionally, muscle cells (myocytes) have numerous mitochondria to provide energy for muscle contractions.
What is smooth muscle consist of?
myocytes
What is the functional unit of heart?
myocytes
What are the key differences between myoblasts and myocytes in terms of their structure and function?
Myoblasts are immature muscle cells that can divide and differentiate into myocytes, which are mature muscle cells. Myoblasts have a single nucleus and are responsible for muscle growth and repair, while myocytes are multinucleated and are responsible for muscle contraction. Myoblasts also have a higher capacity for cell division compared to myocytes.
The walls of the heart are made of what?
Cardia myocytes. These special muscle cells can produce myoclonic movement (rythmic contractions initiated without input from the nervous system) when bathed in fluid containing oxygen and glucose.
What is the sa node made of?
cardiac myocytes....
What is a heart made up of?
Cardiac myocytes and connective tissue
What type of cells contract to make an animal?
Muscle cells, or myocytes, are the primary cells that contract to facilitate movement in animals. There are three main types of muscle cells: skeletal muscle cells, which enable voluntary movement; cardiac muscle cells, which control heart contractions; and smooth muscle cells, which manage involuntary movements in organs. These cells work together to produce coordinated contractions that enable locomotion, circulation, and various bodily functions.
Can myocytes be found in the central nervous system?
No, myocytes can not be found in the central nervous system, or the central nervous system for that matter.... I am doing a test on it and searching the answers and that was one of the questions, i said yes and it was wrong so...
