Best Describes the Difference Between Cardiac and Smooth Muscle

Cardiac muscle can generate an electrical impulse. Skeletal muscle controls the bodys movement and is generally under conscious or voluntary control.

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Each smooth muscle is spindle-shaped.

. Smooth muscle fibers have a limited calcium-storing SR but have calcium channels in the sarcolemma similar to cardiac muscle fibers that open during the action potential along the sarcolemma. Difference Between Cardiac and Skeletal Muscle cardiac vs skeletal muscle Cardiac and skeletal muscles are both striated muscles. One of the immediately evident differences between skeletalcardiac muscle cells and smooth muscle cells is in their size and general appearance.

Smooth muscles are non-striated like cardiac muscles while skeletal muscles are striated. Summary of Smooth Muscles vs Cardiac Muscles 1Cardiac muscles are striated unlike smooth muscles. B Both lack muscle filaments but cardiac muscle has sarcomeres.

Skeletal muscles are important in body movement like sitting walking and lifting. 6 rows The cardiac muscle controls blood flow in the heart while the smooth muscles move food. A Cardiac muscle can be stimulated only by nerves whereas smooth and skeletal muscle contract spontaneously.

Each cardiac muscle cell has one or more nuclei but the smooth muscle cells are single nucleated. Smooth muscle does Cardiac muscle can generate its own electrical impulse. The internal organs on the other hand with the exception of the heart are made of smooth muscle which works without conscious effort.

C Cardiac muscle requires periods of relaxation whereas smooth muscle is always in a state of partial. It is important that the heart maintains a rhythm. It is a form of striated muscle tissues and is mainly found attached to bones by the tendons.

Cardiac and smooth muscles operate on a subconscious or involuntary basis. A type of muscle tissue that is found only in the heart and is distinguishable from the two other forms of muscle. Smooth muscle is a type of muscle tissue which is used by various systems to apply pressure to vessels and organs.

Apart from this similarity one can come across many differences between the two types of muscles. Cardiac muscle is unique because it is striated like skeletal muscle yet involuntary like smooth muscle. One of the main differences that can be seen is that cardiac muscles are involuntarily controlled whereas the somatic nervous.

Rely on neuromuscular varicosities Voluntarily controlled d. 2Cardiac muscles are found in the heart walls and aorta while smooth muscles are found in the majority of blood vessels. Cardiac muscles are found in the heart which is self-stimulating has an intermediate speed of contraction and energy requirement and is responsible for performing muscular involuntary movements.

Cardiac muscle tissue is specifically muscle tissue of the heart. On the other hand cardiac muscles can also contract rapidly but never get tired. Which of the following best describes a physiological difference between the contraction of smooth muscle compared with the contraction of cardiac muscle and skeletal muscle A.

The major difference between cardiac and skeletal muscle is modulation of the extent of thin filament activation. Force development must be controlled mainly at the cellular level in cardiac muscle because each cardiac cell is activated on each beat. Does not require an action potential C.

Cardiac muscle does not need a blood supply. Skeletal muscles can contract rapidly but get tired easily. When seen under the microscope smooth muscle cells have only one nucleus located at the center.

Smooth muscle cells are among the smallest cells in the body typically spindle-shaped fibers 50200. Requires more energy D. Which one of the following best describes the difference between cardiac.

In comparing smooth and cardiac muscle which one of the following best describes the differences between the two muscle types. Given the frequency of contractions this is just as well. A Smooth muscle is voluntary whereas cardiac is involuntary.

Anatomy and Physiology questions and answers. Smooth muscle cells are fusiform-shaped but cardiac muscle cells are long and cylindrical. Asked Sep 9 2016 in Biology Microbiology by Sasha.

The influx of extracellular Ca ions which diffuse into the sarcoplasm to reach the calmodulin accounts for most of the Ca that triggers contraction of a smooth muscle cell. It is smooth just like skeletal muscle tissue but has special characteristics that help it. Which of the following choices correctly describes a key feature of smooth muscle tissue which is not present in skeletal or cardiac muscle.

Skeletal muscles have no branches. Not only would it be nearly impossible to make a conscious decision to activate our heart and smooth muscles but the responsibility would be too much. B Smooth and skeletal muscles appear striated due to the arrangement of.

Skeletal muscles have no branches. Cardiac muscles are striated but smooth muscles are non-striated. In comparing all three major muscle types which one of the following statements best describes the differences between them.

Cardiac muscle cells are often branched but smooth cells are non-branched. 3The cardiac muscle is innervated by the autonomic nervous system via its. Smooth muscle cannot What is the name of the structure in males and females that transports the urine from the kidneys to the urinary bladder.

Thus each cell must be able to undergo the full dynamic range shown by the cardiac output. Cardiac muscles function solely for pumping blood away from the heart towards the lungs and throughout the body.

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