Most scientists don't used the word law because that implies it is infallible but generally scientific laws and theories are used interchangeably so true.
Answer:
There is a chance that the person receiving that insulin will get a bad immune response, and there is a possibility that the animal might have a disease or infectious organisms, that their insulin might contain, and putting it inside a human might transmit that disease.
Explanation:
Cloudy day because of solar radiation
The shape you will not see is a crescent . <span />