Everything about cấu tạo bơm màng khí nén
The phrenic nerve originates through the cervical spinal roots C3, C4, and C5, and it's important for initiating the breathing process. This nerve serves the two motor capabilities for diaphragm contraction and sensory capabilities for that pericardium and mediastinal pleura, such as the phrenic nerves.Figuring out the diaphragm’s functionality i