Answer:
The atrial fibrillation are get treated by the rapid ventricular response as, the initial phase of the treatment is directly controlled by the rate of the ventricular with the help of the calcium blocker. The medical cardio version are used to store again the sinus in the patient during the situation of atrial fibrillation. As, atrial fibrillation are basically the abnormal heartbeat in the human being.
1. skin
2. pathogen
3. bacterial, viral
4*. immune response
5*. adaptive or acquired
6. leukocytes
7*. cell-mediated immune response, humoral immune response
8. B-cells, T-cells
9*. the helper T-cell, cytotoxic t-cells
10. antibody
11. nodes
* = not 100% sure
