Men vs women

-Brain composition

-Arm shape

-Genital from same part

-Hair,

-Pomme d'Adam

-Voice

-Where fat is stored and gravity

-Bone density

-wolrd record difference

-Vocal chord

-Hands/Foot

-Nombre d'os

-Basic instinct and center of interest

-Senseses ?

-Hability

-Strong natural behavuor toward birth/kid