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How do you spell sphinctor?
SPHINCTER : the muscle that controls the anal opening, or more generally any tissue or muscle around the opening to an organ.
What kind of muscle controls a circular opening?
A sphincter muscle controls a circular opening in the body. It serves to regulate the passage of substances through the opening by contracting or relaxing. Examples include the anal sphincter and the sphincter muscles in the digestive system.
What controls the opening and closing of a clam Need fast help please?
the adavctor muscle
Which blood vessel tunic is composed of smooth muscle and controls the diameter of the vessel?
Tunica interna
What is the role of smooth muscle in blood vessels walls?
The smooth muscle, which is innervated by the sympathetic nervous system, controls the diameter of the blood vessel, and it plays an important role in blood pressure.
What is the name of the muscle in your eye that changes the size of your pupil?
it squishes it until it becomes so small that the naked eye can't see it. (he he he) (naked)
How does smooth muscle make blood vessels function?
Smooth muscle is mostly in the afferent branch going from the arteries to the arterioles. The body controls where blood will flow by controlling the vessel diameter. An increase in sympathetic tone constricts smooth muscle, decreases blood vessel diameter, and limits blood flow.
What is a sphincter structures?
Sphincter muscles are circular muscles that control the opening and closing of various body passages and openings. They help regulate the flow of substances, such as food or waste, through these passages by contracting and relaxing. Examples include the sphincter muscles of the gastrointestinal tract and the urinary system.
What controls smooth muscle and cardiac muscle?
Autonomic system
What muscle controls the size of the bronchioles in the lungs?
SmooTh muscle
What is the cardiac muscle controls?
heart
Cardiac muscle controls the what?
The heart.
