Bile is important for digestion in the following ways :
(1) Bile neutralizes acidic medium.
(2) Bile is germicidal.
(3) Bile emulsifies fats.
(4) Bile activates lipases.
Diphyodont is the condition of having two set of teeth during the life of an organism. For example : humans are diphyodont as they have two set of teeth namely temporary milk or deciduous teeth which are replaced by permanent or adult teeth.