Is there an other purpose to a penis that to just reproduce

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.