The brachial plexus supplies nerves that function to contract which of the following?the diaphragmintercostal musclesmuscles of the arm and forearmmuscles of the lower limbabdominal muscles
muscles of the arm and forearm
The brachial plexus supplies nerves that function to contract the muscles of the arm and forearm. The brachial plexus is a network of nerves that originates from the lower cervical and upper thoracic spinal nerves. It is responsible for innervating the upper limb, including the muscles of the shoulder, arm, forearm, and hand. The diaphragm is innervated by the phrenic nerve which arises from the cervical spinal nerves, the intercostal muscles are innervated by intercostal nerves arising from the thoracic spinal nerves, muscles of the lower limb are innervated by the lumbar and sacral plexuses, while the abdominal muscles are innervated by the thoracoabdominal nerves.
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