This document discusses animal experimentation and testing. It begins by defining animal testing as using animals in experiments to test drugs before human trials. It then examines the different types of animal testing including medical, cosmetic, and psychological testing. Reasons why animal testing is done include determining drug toxicity and efficacy. However, animal testing is considered unethical by some as it causes harm, injury, and suffering to animals. The document discusses alternatives to animal testing such as using human tissues and considers whether the reasons for animal testing outweigh the moral issues. In conclusion, the document argues that many animal deaths and injuries could be prevented by exploring alternative testing methods.