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Postganglionic fibers that innervate targets in the body wall or thoracic cavity originate on neurons within?
Postganglionic fibers that innervate targets in the body wall or thoracic cavity originate on neurons within the sympathetic chain ganglia (paravertebral ganglia) or prevertebral ganglia (e.g., celiac ganglion). These ganglia are part of the sympathetic division of the autonomic nervous system and play a role in coordinating the body's fight-or-flight responses.
Why do humans need 2 body systems to help get oxygen to there cells?
becaus eour body is more complex than insects and worms....
Where is lobsters brain?
Yes, lobsters do have brains. However, it is very much different from those of humans and more like those found in insects. A lobster's nervous system consists of a brain between their eyes and clusters of ganglia along the centre of its body. The thoracic ganglia line the part above their tails, which are lined by the abdominal ganglia.
How many ganglia does each segment have in grasshopper?
In grasshoppers, each segment of the body typically has one pair of ganglia. These ganglia are part of the nervous system and are interconnected, forming a chain along the ventral side of the body. The ganglia coordinate movements and sensory information for each segment, contributing to the overall functioning of the grasshopper. The arrangement allows for both local reflexes and integration of information across segments.
Which part of the body of an insect are the breathing holes found?
Center that regulates breathing are lying mostly in the thoracic ganglia. Insects perform respiratory movements whit muscles of abdomen, in which are trachea.
Which is the longest cell of your body?
Probably the motor neurons that extend from the vertebral ganglia to the foot.
Which part is called ganglion in human body?
In the human body, a ganglion refers to a grouping of nerve cell bodies located outside the central nervous system. These ganglia play a crucial role in coordinating the autonomic nervous system, as well as in processing sensory information. Some examples include the dorsal root ganglia and the autonomic ganglia.
Is the sympathetic chain composed of collateral ganglia?
Yes, the sympathetic chain is composed of collateral ganglia. These ganglia are arranged in a chain-like structure along the spinal cord and play a crucial role in the sympathetic nervous system's function to regulate the body's stress response.
What are the simplest nervous systems called?
The simplest nervous systems are called nerve nets. They are found in organisms like jellyfish and sea anemones and consist of interconnected neurons spread throughout the organism's body without a centralized brain or ganglia.
Is ganglia an organ?
No, ganglia are not organs. They are clusters of nerve cell bodies located outside of the central nervous system. Ganglia are part of the peripheral nervous system and play a role in transmitting signals between the central nervous system and various parts of the body.
What nerves in your body to your brain?
All nerves in the body are connected by synapses to the ganglia in the spinal cord to where the travel back up to the brain
What is the function of ganglia in the human body?
The function of ganglia in the human body is to get information from the photoreceptors and collectively transmit image-forming and non-image forming visual information from the retina to regions in the brain.
