Genzo gave Luffy CPR in episode 39 and 40 also Nojiko resumed CPR on Luffy in episode 40.
Naruto like Sakura? Most definitely so. Even though in most fanfics/fanart naruto is usually paired with Hinata, because Hinata has this major crush on Naruto. However, throughout the first few seasons of Naruto, it is emphasized that Naruto likes Sakura. There was this ep when Naruto wanted to CPR Sakura o.o You get the idea. XD However, Sakura likes Sasuke, like most of the girls, and thinks Naruto is juvenile and irritating. In later chapters though, she has matured more and even helps naruto in his training by giving him soldier pills and such.
You can't give a fish CPR.
It is not possible to give a fish CPR.
No, you can't give CPR in the water. You must be on a hard flat surface.
You will only need training to do CPR properly.
No.
in that case they don't even need CPR
No, most of the time when CPR is required the person is unconscious and therefore is unable to give CPR to themselves. A person can give themselves a modified version of the Heimlich maneuver though.
Although humors, and maybe even possible, it is not suggested that you give CPR to a frog for many biohazards may exist. CPR is used for humans who require medical assistance.
A maneuver in CPR is performing a step in the process. For example, a step may be give the 2 breaths, or give compressions, or tilt the head.
give hands only cpr