Stock Footage0:09
Getty Images

Funny expression of a sweet baby girl

Pre-K - Higher Ed
Funny expression of a sweet baby girl
Stock Footage0:15
Getty Images

Little Boy and Girl Smiling at Camera

Pre-K - Higher Ed
Cute little boy and girl lying on floor in children play center and smiling at camera when drawing picture together
Stock Footage0:23
Getty Images

Plaque-forming bacteria, coloured scanning electron micrograph (SEM). Dental plaque is a biofilm of bacteria that forms on teeth.

Pre-K - Higher Ed
It can lead to tooth decay if not removed by regular brushing. These bacteria are attached to the enamel of a childs milk tooth