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What type of muscle is found in the walls of hollow organs and in the walls of blood vessels?
multiunit smooth muscle are found in those areas and a few more.
What are smooth and level areas on an optical disc called?
are smooth and leve areas on an optical disk
How are areas in the skeleton that can be moved called?
muscle
Which muscle type is nonstriated?
the smooth muscles are non striated,we have smooth muscles in many areas of the body,especially in the wall of digestive system organs.
What are the large smooth areas of the moon formed by and what are they called?
The large smooth areas on the moon are called lunar maria. They are formed by ancient volcanic activity that filled in large impact basins with basaltic lava flows, creating the smooth surface we see today.
is a neurotransmitter vasoconstrictor and smooth muscle stimulant?
Yes, certain neurotransmitters can act as vasoconstrictors and stimulate smooth muscle. For example, norepinephrine primarily released from sympathetic nerve endings can cause vasoconstriction by binding to alpha-adrenergic receptors on smooth muscle cells in blood vessels. This action leads to increased vascular resistance and reduced blood flow to certain areas. Other neurotransmitters, such as angiotensin II, also have similar effects on smooth muscle contraction and vasoconstriction.
How do muscle fibres in arteriole reduce blood flow to capillaries?
Muscle fibers in arterioles, known as smooth muscle, can contract or relax to regulate blood flow. When these smooth muscle fibers contract, the diameter of the arteriole narrows (a process called vasoconstriction), which increases resistance and reduces blood flow to the capillaries. Conversely, when they relax (vasodilation), the diameter increases, allowing more blood to flow. This regulation is crucial for maintaining blood pressure and directing blood to areas of greater metabolic need.
Dark areas on the moon that are smooth and that reflect little light are called?
The dark areas on the moon that are smooth and reflect little light are called maria. They are large basaltic plains formed by ancient volcanic activity on the moon's surface.
What is the purpose of the smooth muscle in the trachea?
They constrict the airway. obviously.
The dark smooth plains on the moon are called?
The dark smooth plains on the moon are called lunar maria. They are vast, flat areas formed by ancient volcanic activity. Maria is the Latin word for "seas," as they were once believed to be bodies of water.
Is the orbicularis oculi muscle Packers the lips?
No, the orbicularis oculi muscle does not control the lips; it is responsible for closing and blinking the eyelids. The muscle that encircles the lips and allows for their movement is called the orbicularis oris. Each muscle has distinct functions related to their respective areas of the face.
Why are smooth and cardiac muscle involuntary?
Smooth and cardiac muscles are involuntary because they are controlled by the autonomic nervous system, which regulates bodily functions unconsciously. These muscles are designed to work without conscious effort in order to maintain essential processes such as digestion, circulation, and breathing.
