The phrase "human equivalent" means something that is comparable to or similar to a human being in some way. It suggests that whatever is being described has qualities or abilities that resemble those of a person. Full definition
Jayne (Adam Baldwin), the wisecracking human equivalent of a pit bill, keeps the weapons loaded for confrontations, deals gone bad, and quick escapes from the space - cannibals called Reavers. (spu.edu)
The general physiology of rabbits is similar to that of humans, and like mice and rats, rabbits suffer from many diseases with human equivalents. (animalresearch.info)
The closest human equivalent may be Amyotrophic Lateral Sclerosis, or ALS, also known as Lou Gehrig's disease. (ivghospitals.com)