Human cross Rabbits, to two headed dogs... Here are five of the craziest lab experiments involving humans and animals (that we know of)...

Animal testing is an incredibly unethical practice. No animal should be tested on, even for the sake of humankind as they have no say in the matter. To find out more about animal testing and how you can help do your bit follow this link:

https://www.peta.org/action/easy-ways-help-animals-used-killed-experiments/
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