The human brain is the most complex organ in the human body
They are both involuntary
Swamps or maybe those in the desert. In swamps, the soil is too loose for animals to burrow without it caving in. In deserts, since the climate "rising" its getting to hot and dry for animals to burrow without the sand caving in when an animal walks above it.
Father because you inherit traits from your mother and recessive sex linked traits from your father.
