A REVIEW OF BơM MANG

The phrenic nerve originates with the cervical spinal roots C3, C4, and C5, and it is essential for initiating the respiration process. This nerve serves the two motor features for diaphragm contraction and sensory functions for the pericardium and mediastinal pleura, including the phrenic nerves.The caval hiatus is situated within the T8 vertebral