The Naked Ape
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The Naked Ape: A Zoologist's Study of the Human Animal is a 1967 book by English zoologist and ethologist Desmond Morris that looks at humans as a species and compares them to other animals. The Human
First edition cover (Jonathan Cape, 1967)
Breast
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The breasts are two prominences located on the upper ventral region of the torso in humans and other primates. Both sexes develop breasts from the same embryological tissues. The relative size and dev
The Naked Ape
…the extended sexuality necessary in the evolution of human monogamous pair bonding. Morris further stated that the more rounded shape of human female breasts means they are mainly a sexual signalling device rather than simply for providing milk for infants. Morris framed many features of human behaviour in…
Morphology of female human breasts, with the areola, nipple, intermammary cleft and inframammary fold
Male human breasts with defined pectoral muscles
Mountain gorilla breastfeeding an infant
Breast development in puberty is measured with the five-stage Tanner scale