Do the phrenic nerves arise from the cervical plexuses, the brachial plexus, the lumbar plexuses, or the sacral plexuses?
Cervical Plexus.
Diagram of the cervical plexus :
Here we can see, the Phrenic nerve arises from the cervical plexus.
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The phrenic nerves arise from the cervical plexuses.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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- Do the phrenic nerves arise from the cervical plexuses, the brachial plexus, the lumbar plexuses, or the sacral plexuses?

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