There always has been a special bond between humans and animals. Researchers have confirmed that people are emotionally and psychologically healthier when they interact positively with pets. Some pets provide services, too. Animals in zoos and aquariums serve as educators. Scientists at such facilities learn a great deal by studying animals and their behavior up close for extended periods of time.
Animals also educate students in medical and veterinary schools.
In these fields, the use of real animals during training is an educational imperative. Animals entertain us, too, in activities ranging from greyhound and horse racing to polo. And, of course, there are the movies and TV shows where live animals play a leading role. Numerous organizations exist to ensure the welfare of the animals participating in these activities. State and local laws also help to ensure high standards of animal care.