Case study in children with Down syndrome

Hi there,

I would like to do a case study of children with Down syndrome for long 1500 words. And I need to talk in globally and I need to cover these steps:
1Heart problems in children with Down syndrome.
2Physical ability.
3Speech problem.
4Eating difficulty.

Note that I am still in language center and this case will worth 60%. Be a wear with high quality of language and make it easy and simple for the English student. Also, see my attachments in the track.