Gonadal hormones like testosterone and estrogen play a major role in activating and maintaining libido (sexual desire) in both men and women. The influence of these hormones changes with age, and central (brain) factors become more important over time.
It takes 2 to 3 hours at 1800°F / 980°C for a body to be reduced to bone fragments? Ash needs even more! (They usually blend the bone fragments in cremations to get ash!)
Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.
