06:26 duration 6 minutes 26 seconds
Primates-the Apes
Meet the gibbons, orangutans, chimpanzees and gorillas. These are the apes: The largest and smartest of the primates. Oh, did I mention humans are included in that crazy ape bunch?
03:03 duration 3 minutes 3 seconds
Pavlov Classical Conditioning
Pavlov introduces Classical Conditioning
