Occipital Lobe: most posterior, at the back of the head; the occipital lobe controls
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It is very true that masculinity and femininity are very strongly dependent on the society in which these terms are used. While there are genetic differences underlying the phenotype of being more masculine (having a bigger jaw, more hair on the body), there are also a lot of societal factors determining what is considered to be masculine and what feminine in a society.
Your body is preparing for a baby, if you become pregnant, your body needs that layer for a baby
Yes, in case anything happens in pregnancy