Answer:
Duck pluck rescue is used to recover individuals who are submerged in the water and within reach.
The rescuer should be made to lie upwards and straight on the rescuer. This will ensure proper flow of blood to the brain and will ensure a higher degree of consciousness and lesser damage to the brain cells in the case when the patient has taken in much water which may have gone to the brain.
Your medical records contain the basics, like your name and your date of birth. They also include the information you give to your family physician, dentist, or other specialist during an exam.
Every cell in your body has the same genes/DNA but, the gene expression process decides which genes are active in which cells which is how each cell type gets it properties.
So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.