Original sentence: Opponents, such as the British Union for the Abolition of Vivisection, question the necessity of it, arguing that it is cruel, poorly regulated, and that animals have an intrinsic right not to be used for experimentation
Edited sentence: Opponents, such as the British Union for the Abolition of Vivisection, question the necessity of it, arguing further that it is cruel, poor scientific practice, never reliably predictive of human metabolic and physiological specificities, poorly regulated, that the costs outweigh the alleged benefits, or that animals have an intrinsic right not to be used for experimentation