Podcast
Questions and Answers
The peripheral nervous system (PNS) is the part of your nervous system that lies outside the ______ and spinal cord.
The peripheral nervous system (PNS) is the part of your nervous system that lies outside the ______ and spinal cord.
brain
The PNS plays a key role in sending information from different areas of your body back to your ______.
The PNS plays a key role in sending information from different areas of your body back to your ______.
brain
The PNS carries out commands from your brain to various parts of your ______.
The PNS carries out commands from your brain to various parts of your ______.
body
There are 31 pairs of Spinal Nerves, including 8 ______ nerves.
There are 31 pairs of Spinal Nerves, including 8 ______ nerves.
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There are 12 pairs of ______ Nerves.
There are 12 pairs of ______ Nerves.
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The Cervical Plexus provides nerve connections to the ______, neck, and shoulder.
The Cervical Plexus provides nerve connections to the ______, neck, and shoulder.
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The Brachial Plexus provides nerve connections to the chest, shoulders, upper arms, forearms, and ______.
The Brachial Plexus provides nerve connections to the chest, shoulders, upper arms, forearms, and ______.
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The Lumbar Plexus provides nerve connections to the back, abdomen, groin, thighs, knees, and ______.
The Lumbar Plexus provides nerve connections to the back, abdomen, groin, thighs, knees, and ______.
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The Sacral Plexus provides connections for the posterior thigh, most of the lower leg, the entire foot, and part of the ______.
The Sacral Plexus provides connections for the posterior thigh, most of the lower leg, the entire foot, and part of the ______.
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The Coccygeal Plexus supplies motor and sensory control of the genitalia and the muscles that control ______.
The Coccygeal Plexus supplies motor and sensory control of the genitalia and the muscles that control ______.
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Study Notes
Peripheral Nervous System (PNS)
- The PNS is responsible for transmitting information to and from the brain and spinal cord.
- The PNS relays information from various body parts to the brain, and carries commands from the brain to different bodily functions.
- The PNS includes 31 pairs of spinal nerves (including 8 cervical nerves) and 12 pairs of cranial nerves.
Nerve Plexuses
- Cervical Plexus: Provides nerve connections for the head, neck, and shoulder.
- Brachial Plexus: Provides nerve connections for the chest, shoulders, upper arms, forearms, and hands.
- Lumbar Plexus: Provides nerve connections for the back, abdomen, groin, thighs, knees, and legs.
- Sacral Plexus: Provides nerve connections for the posterior thigh, most of the lower leg, the entire foot, and part of the genitalia.
- Coccygeal Plexus: Supplies motor and sensory control of the genitalia and the muscles that control defecation.
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Description
Test your knowledge on the different types of receptors such as chemoreceptors, mechanoreceptors, photoreceptors, and thermoreceptors. Explore the divisions of the autonomic nervous system which control involuntary physiological functions like blood pressure, breathing, and digestion.
