Primates are placental mammals that include gorillas, monkeys and chimpanzees, as well as humans. Other than humans, primates are found mostly in Central and South America, Africa, and South Asia.
The use of chimpanzees for biomedical research is a very controversial subject. Chimpanzees are the perfect human model, because they share about 99 percent of their DNA with us. Take this quiz to find out more about chimpanzee research.