Answer:
What speeds on a track but isn't in a race and has a whistle to announce its steady pace?
What gets whiter the dirtier that it gets?
Who shows her boobs?
You give it to your daddy, you give to your mommy, you give it to your sister and your brother and even give it to Fido and Lassie. If they give it back to you, then you both have one. You also have an unlimited supply. What is it?
Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. Who am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?