A neighbor administers first aid to a boy who was found in his backyard pool and is not breathing. The neighbor should apply a tourniquet. attempt rescue breathing. perform the Heimlich maneuver. apply a splint

attempt rescue breathing

Explanation:

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.