The phrenic nerves arise from the
A)cervical plexuses.
B)brachial plexuses.
C)lumbar plexuses.
D)sacral plexuses.

Name: The phrenic nerves arise from the A)cervical plexuses. B)brachial plexuses. C)lumbar plexuses. D)sacral plexuses.
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The phrenic nerves arise from the cervical plexuses, specifically from the C3, C4, and C5 spinal nerves. These nerves provide motor and sensory innervation to the diaphragm, which is the primary muscle of respiration.

The Phrenic Nerves Arise from the