Origins of Human Language - The Evolution of Speech

3 important questions on Origins of Human Language - The Evolution of Speech

Why is it for harder for apes to speak than it is for humans?

The lowered larynx of humans and their down-curving tongue allow humans to make a much wider variety of sounds than primates.

In what aspects do primates and human differ in their vocal anatomy that has an impact on the breathing?

Humans have a lack of having an air sac in the throat, which allows primates to eat and breath at the same time.

What are vocal sounds called that are controlled, highly mallaeble sound productions and requires extensive auditory learining and practice and finally are included in human language sounds and some birdsongs?

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