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Which type of muscle CANNOT contract without being stimulated by the nervous system?
Cardiac muscle. Unlike skeletal and smooth muscle, the contraction of cardiac muscle is involuntary and requires stimulation from the nervous system. This ensures that the contractions of the heart are synchronized and coordinated.
What type of muscle can hold prolonged but slow contractions?
Smooth muscle is the type of muscle that can hold prolonged but slow contractions. It is found in the walls of hollow organs, such as the intestines and blood vessels, and operates involuntarily. Smooth muscle contractions are sustained for longer periods compared to skeletal muscle, allowing for functions like the continuous movement of food through the digestive tract.
Do smooth or skeletal muscle form a functional syncytium?
Smooth muscle forms a functional syncytium due to the presence of gap junctions that allow electrical signals to pass from one cell to the next, enabling coordinated contractions. Skeletal muscle, on the other hand, does not form a functional syncytium as each skeletal muscle cell (fiber) is innervated individually by a motor neuron and must be stimulated independently.
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 contractions enable body movements?
Muscles in the body enable movements through contractions. These contractions occur when muscle fibers shorten and generate force, allowing for various movements such as walking, stretching, and flexing. The coordinated efforts of different muscle groups contracting and relaxing result in smooth and controlled body movements.
Which type of muscle ca be stimulated by norepinephrine?
smooth muscle
Which type of muscle CANNOT contract without being stimulated by the nervous system?
Cardiac muscle. Unlike skeletal and smooth muscle, the contraction of cardiac muscle is involuntary and requires stimulation from the nervous system. This ensures that the contractions of the heart are synchronized and coordinated.
What are smooth muscle contractions?
Spindle shaped by faireena singh
What conditions cause contractions of arteriole smooth muscle?
Asthma causes contraction of the bronchial smooth muscle.
What are contract muscles?
Smooth Muscle contractions are regulated by calcium ions. The smooth muscle differs from skeletal muscle in that its contracts from all sides.
What type of muscles line the bladder to allow for contractions?
smooth muscle
What is a treppe?
A treppe is a gradual increase in muscle contractions following rapidly repeated stimulation. When a muscle is stimulated a second time immediately after the first , the next muscle will be higher in intensity.
When a weak but smooth muscle are desired what are stimulated at a rapid rate?
few motor units
Do smooth or skeletal muscle form a functional syncytium?
Smooth muscle forms a functional syncytium due to the presence of gap junctions that allow electrical signals to pass from one cell to the next, enabling coordinated contractions. Skeletal muscle, on the other hand, does not form a functional syncytium as each skeletal muscle cell (fiber) is innervated individually by a motor neuron and must be stimulated independently.
Uncontrolled muscle contractions the same as skeletal muscle contractions?
Uhh, no uncontrolled muscle contraction occurs in smooth and cardiac muscles... there are many differences between these two types of muscles; controlled and uncontrolled muscle contraction.....
What process involves the contractions of smooth muscle that propel urine through the ureter?
peristalsis
When weak but smooth muscle contraction is desired a few motor units are stimulated at a?
rapid rate
