The most important function is to provide milk for babies.
None.
To serve a ritual function.
How does cholesterol function
By the Function they serve
Egagt
The function of seeds are for the plant to reproduce.
Breasts can be seen as sexual body parts in many cultures and are often associated with sexual attraction and arousal. However, they also serve a primary biological function in breastfeeding infants. The sexualization of breasts varies across societies and individuals.
they serve as controllers
the head
By the Function they serve
Irrigation system
yes