The role of animals in human life?

1. Animals provide milk. Milk is an essential daily food that is obtained only from animals. The animals that are used to extract milk are cows, buffaloes, goats, camels and donkeys.

2. Animal hair. Animal hair is in great demand. Hair from goats and sheep is used to make woolen garments, scarves and blankets.

3. Extraction of medicines. Animals are used to extract useful medicinal molecules. Although recently this method has been largely replaced by biotechnology, there are still some drugs obtained from animals.

4. Meat. We consume meat from many animals in our diet.