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What is the function of smooth muscle in the bronchioles?

Smooth muscle in the bronchioles helps to regulate and control the diameter of the airways. Contraction of this muscle narrows the bronchioles, while relaxation widens them, allowing for control of air flow in and out of the lungs.


What type of muscle contraction will shorten a muscle and decrease the angle between two bones?

Concentric muscle contraction will shorten a muscle and decrease the angle between two bones. This type of contraction involves the muscle generating force as it shortens to move a body part.


What causes muscle contraction in the leg?

Muscle contraction in the leg is caused by the interaction between nerve signals from the brain and the muscle fibers. When the brain sends a signal to the muscle, it triggers the release of calcium ions, which then bind to proteins in the muscle fibers, leading to the contraction of the muscle.


How does the contraction of the I band contribute to the overall function of skeletal muscle?

The contraction of the I band in skeletal muscle helps to shorten the muscle fibers, allowing for movement and muscle contraction. This contributes to the overall function of skeletal muscle by enabling the muscle to generate force and produce movement.


What do you think the effect of breaking down acetylcholine is on muscle contraction?

Breaking down acetylcholine can lead to muscle relaxation because acetylcholine is a neurotransmitter that stimulates muscle contraction. When acetylcholine is broken down, the signal for muscle contraction is reduced, resulting in muscle relaxation.

Related Questions

Voluntary movements are under the control of the?

The somatic nervous system controls the skeletal system and voluntary movement by stimulating muscle contraction. Parts of the somatic nervous system are spinal nerves, cranial nerves, association nerves.


Constant contraction of a muscle is?

constant contraction of a muscle is called the muscle tone


What is muscle contraction without muscle shortening is what kind of contraction?

Isometric contraction. This type of contraction occurs when the muscle generates tension without changing its length, such as when holding a weight in a fixed position.


Describe the events of muscle cell contraction?

6 steps in a muscle contraction


What does the contraction of the gastrocnemius muscle usually result in?

type of contraction of gastrocnemius muscle?


What is the difference between isotonic and isometric contractions?

An Isotonic muscle contraction is a muscle contraction that makes your limbs move whereas an Isometric contraction is a muscle contraction where the limbs stay static


What is a circular muscle cell?

A circular muscle cell is a type of muscle cell that is oriented in a circular or transverse direction around a structure. These cells are responsible for contracting and relaxing to control the size of lumens within hollow organs like the intestines or blood vessels.


What factors affect muscle contraction?

the degree of muscle stretch is affect the strength or force of skeletal muscle contraction


The muscle decreases in muscle length during contraction but tension is the same?

Isotonic contraction


What is a concentric contraction?

concentric contraction is atype of muscle contraction which the muscle shortens while genrating aforce The muscle shortens to produce movement. A muscle contraction in which shortening occurs.


What component is not essential for the process of muscle contraction?

Actomyosin does not seem to be essential for the process of muscle contraction. The most important elements of muscle contraction include potassium and ATP.


What ion is responsible for the contraction of cardiomyocytes?

Calcium ions are primarily responsible for the contraction of cardiomyocytes. When calcium ions enter the cardiomyocyte, they trigger the muscle fibers to contract by binding to the regulatory proteins that control muscle contraction. This process is crucial for the heart to effectively pump blood throughout the body.