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Is A precapillary sphincter a cuff of smooth muscle that regulates the flow of blood into the capillaries?
true
What nuclei regulates the contraction of smooth muscle in blood vessel walls?
vasomotor center
What is the deference between an autonomic reflex and a visceral reflex?
An autonomic reflex involves responses that are controlled by the autonomic nervous system, which regulates involuntary bodily functions such as heart rate and digestion. A visceral reflex, on the other hand, involves responses that originate from organs in response to stimuli, such as the contraction of smooth muscle in the digestive tract in response to food. Both reflexes are important for maintaining homeostasis in the body.
Is the corneal reflex a somatic reflex or an autonomic reflex?
This particular reflex is autonomic as the affected muscle, constrictor pupillae muscle, is a smooth muscle and not under conscious control. Typically if you can consciously contract the muscle, any reflex associated with that muscle is somatic in nature.
Which of subdivision of peripheral nervous system regulates the activity of heart and smooth muscles?
somatic nervous system
What is smooth muscle activity responsible for?
Smooth muscle activity is responsible for involuntary body activities and the contractility of hollow organs. Hollow organs include the bladder gastrointestinal tract blood vessels, and the uterus.
Smooth muscle activity that mixes and churns a bolus of food is called?
segmentation
Which autonomic nervous system increases activity in the smooth muscle of organs?
autonomic
What type of movement does the autonomic system control?
The somatic nervous system regulates skeletal muscle tissue, while the ANS services smooth muscle, cardiac muscle, and glandular tissue.
What is the receptor in pupillary reflex and the effector do both change simultaneously in pupillary reflex?
The receptor in the pupillary reflex is the optic nerve, which senses changes in light intensity. The effector is the circular and radial muscles of the iris, which control the size of the pupil. In the pupillary reflex, both the receptor and the effector work together to adjust the size of the pupil to regulate the amount of light entering the eye.
What system contols glandular activity and smooth muscle?
They are controlled by the autonomic nervous system.
What is the muscle that is found in the small intestine?
smooth musclesmooth muscle
