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It makes the muscle totally relax as it blocks the action potential in the nerves.
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∙ 13y ago
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What type of muscle found in the gut?
Smooth Muscle - Muscularis Mucosa
What are the two neurotransmitters that affect smooth muscle cells?
The main neurotransmitters involved with smooth muscle is Acetylcholine which causes an exited effect in smooth tissue and Adrenalin which causes an inhibitory effect. Adrenalin is produced by the adrenal gland when animals are in high stress or phsically elated situations. This causes the "flight or fight" mode in animals and increases function of regions of body necessary for survial such as skeletal muscle. Thus smooth muscle in the gut for example isn't vital in dangers situations therefore contraction of this muscle is decreased by the neurotransmitter.
Smooth muscles are sometimes called?
Involuntary Muscle Immerse yourself medical language, page 431: "Smooth muscles are involuntary, nonstriated muscles."
What is an example of visceral smooth muscle?
It's found mainly in the wall of hollow viscera e.g. gut, ureters and many blood vessels
Do smooth muscles react quickly?
Generally not. The striated (skeletal muscles) usually act quickly. Smooth muscle is found in blood vessels and the gut and contract more slowly and tonically.
Could food move through the digestive tract if you were standing on your head?
Yes, peristalsis (rhythmic longitudinal and circular contractions of the gut smooth muscle wall) is not due to gravity
What is the name of the wave like constraction that propel food along the gut?
Peristalsis is the process by which smooth muscle moves a mass of food (called the food bolus) through the digestive system. There is circular smooth muscle and longitudinal smooth muscle in the digestive tract. Contraction of circluar smooth muscle keeps the food bolus from moving "backward" along the digestive tract by decreasing the diameter of the tract behind the bolus. Contraction of the longitudinal muscle in the digestive tract propels the food bolus "forward" in the digestive tract.
Which kind of muscle movement happens without you having to think about it?
Voluntary muscle movements are the result of conscious effort by the brain. Involuntary muscles such as the heart or smooth muscles in the gut and vascular system contract as a result of non-conscious brain activity or stimuli proceeding in the body to the muscle itself.Your answer: The heart and smooth muscles in the gut and vascular system (lungs) are muscles that work "without thinking about it" -- we call these "involuntary" muscles.
Is it true that round worms have muscle tissue and a gut with one opening?
True
What effects does adrenaline have on your bodies?
I am experiencing light headedness and pressure around my head and eyes... my heart rate is stable at 80and my blood pressure is normal for me... a stress like reaction my bp 160|100 , dizziness, sleep disturbance, chronic fatigue == ==
What triggers muscle contraction?
Muscle fibers generates throught the action of actin and myosin. Contraction of Voluntary muscles occurs as a result of conscious effort originating in the brain. The brain sends signals, in the form of action potentials,through the nervous system to the motor neuron that innervates the muscle fiber. Involuntary muscles like the heart or smooth muscles in the gut contracts as a result of unconscious brain activity stimuli endogenous to the muscle itself.
Why do most regions of the gut have at least 2 layers of muscle?
Because one layer is simply not enough
