Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
The term gross refers to the total amount made as a result of some activity. It can refer to things such as total profit or total sales. Net (or Nett) refers to the amount left over after all deductions are made. Once the net value is attained, nothing further is subtracted.