0
How does the sympathetic branch control most vascular smooth muscle?
Wiki User
∙ 10y agoWant this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What part of the nervous system stimulates the arrector pili muscles and give you goosebumps?
Each arrector pili is composed of a bundle of smooth muscle fibres which attach to several follicles (a follicular unit), and is innervated by the sympathetic branch of the autonomic nervous system. The contraction of the muscle is therefore involuntary - stresses such as cold, fear etc. may stimulate the sympathetic nervous system and thus cause contraction, but the muscle is not under conscious control.
What Neurotransmitter diffuses across a synapse to a muscle cell?
It varies: In the somatic system (skeletal muscle) and parasympathetic branch of the autonomous nervous system (smooth & cardiac muscle) it is usually acetylcholine. In the sympathetic branch of the autonomous nervous system (smooth & cardiac muscle) it is usually norepinephrine (also called noradrenaline). There are exceptions, but this is the general rule.
The involuntary muscles are controlled by what?
The involuntary muscles are primarily composed of smooth muscle and specialized striated muscle known as cardiac muscle. All skeletal muscle is under voluntary control. Hence, the involuntary muscles are under control of the autonomic nervous system, which can be further divided into the sympathetic and parasympathetic divisions. The sympathetic division is readying the body into action, hence the "fight or flight" response associated with it, and the parasympathetic division associated with "rest and digest". :)
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 does noradrenaline do?
It can cause vascular smooth muscle contraction
What will the sympathetic nervous system do to the cardic muscle?
Sympathetic nervous system activation will increase the frequency and force of cardiac myocyte contractility
Effect of sympathetic innervation to muscularis mucosa?
contraction of smooth muscle
What controls smooth muscle movement?
The sympathetic and parasympathetic nervious system.
Which muscle do you control smooth muscle or skeletal muscle?
You are in direct control of skeletal muscle.
What types of muscle cells branch?
Muscle tissue
What part of the brain controls the movement of skeletal muscles?
The cerebellum, in the back of the brain, controls balance, coordination and fine muscle control (e.g., walking). Higher brain motor centers control basic muscle movements which in turn control the basic function of the skeletal system.It has been reported that bone marrow found in long bones is regulated by the sympathetic nervous system. But no part of the brain is involved in controlling any part of the skeletal system directly.
Which structures would not be innervated by the sympathetic nervous system A. skeletal muscle B. glands C. smooth muscle D. cardiac muscle?
skeletal muscles
