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).
Common Questions about Blocks How many blocks are there? Current block count. What is the maximum number of blocks? There is no maximum number, blocks just keep getting added to the end of the chain at an average rate of one every 10 minutes. Even when all 21 million coins have been generated? Yes. The blocks are for proving that transactions existed at a particular time.