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Nervous System
This category is for questions about the mechanical and chemical process of reactions to internal and external stimuli, ranging from the brain down to the spinal cord, and all nerves, cells and tissues in between.
3,047 Questions
What nerve controls swallowing?
The Hypoglossal nerves (XII) carry somatic motor fibers to intrinsic and extrinsic muscles of the tongue. These nerves are mixed, but primarily motor in function. The hypoglossal nerves arise from the Medulla Oblongata.
What tissue develop from the somite?
- They organize the nervous system (especially peripheral nervous system) to form segmental nerves
- Rib Cage
- Limbs
- Abdominal wall
How to stay erect while nervous?
Actually this nervousness could be confused with excitedness before consummation. Or at least you can think about it in that way to maintain erect. Or, just try to think about a great sexual fantasy of yours, that always helped me when nervous, but if you can't think about this or your mind is blank just try not to think about it even before the sex happens, just rely on your instinct, it may be easier said than done but it works when you really dont get yourself down. but going flaccid happens to the best of us.
What common flora is seen in the nervous system?
there is no normal biota in either CNS or PNS. Finding microorganisms of any type in these tissues represent a deviation from the healthy state. Viruses such as herpes simplex live in a dormant state in the NCS between episodes of acute disease, but they are not considered normal biota.
What is organs of nervous system?
A great definition for organs of nervous system is the main nervous system organs of the human body are the brain and spinal cord. If both of the two major organs of the nervous system are damaged, it could result in many disorders like paralysis, memory loss, blindness, loss of motor skills, speaking ability, hearing loss, coma, etc. There are innumerable problems associated with the nervous system organs and functions that can affect the human body system and case a lot of damage to the different organs.
the nervous system responds by sending signals to muscles, causing them to contract, or to glands, causing them to produce secretions
Is an example of a degenerative disease of the nervous system?
Alzheimer's disease is the example of degenerative nerve disease.
Tears are produced by the lacrimal glands located?
The Lacrimal gland is responsible for the production of tears. There are two of these glands, located above the outer corners of each eye. While these glands produce tears, there is a series of ducts, canals, and sacs that help transport the tears.
What are the six projections from the gray matter seen in cross-sections of the spinal cord called?
horns
Your five senses are sight, hearing, touch, smelling and tasting.
What are the 12 pairs of nerves that exit the brain as part of the peripheral nervous system?
The 12 pairs of nerves that exit the brain are the cranial nerves. (CN I) Olfactory, (CNII) Optic, (CN III) Oculomotor, (CN IV) Trochlear, (CN V) Trigeminal, (CN VI) Abducent, (CN VII) Facial, (CN VIII) Vestibulocochlear, (CN IX) Trigeminal, (CN X) Vagus, (CN XI) Hypoglossal, (CN XII) Hypoglossal Nerves
The effects of sympathetic and parasympathetic stimulation of the salivary glands are called?
complementary
What is the association between body symmetry type and nervous system type?
Bilaterally symmetric animals have a central nervous system.
What is the job of hypothalamus?
Hypothalamus has many functions. Some are described below
- It controls the autonomic nervous system and also works in coordination with limbic system to regulate emotional and behavioural patterns, regulate eating and drinking, controls body temperature etc.
- It controls pituitary gland secretion.
- Hypothalamus maintains blood pressure, body temperature, body fluid and electrolyte balance and body weight.
