Please capitalize where necessary: 1- upper respiratory infection (specially with periorbital cellulitis)
A: 1- Upper respiratory infection (specially with periorbital cellulitis)

Please capitalize where necessary: athena speakers are made in the shape of tall, slender cylinders.
A: Athena speakers are made in the shape of tall, slender cylinders.

Please capitalize where necessary: you may also follow one of the 13 official pace teams with finishing times ranging from 3 to 5 hours. read more about the pace teams here
A: You may also follow one of the 13 official pace teams with finishing times ranging from 3 to 5 hours. Read more about the pace teams here

Please capitalize where necessary: little jobs that need doing (e.g.,fixing the carpet where the cat pulled it up 2 years ago)
A:
Little jobs that need doing (e.g.,fixing the carpet where the cat pulled it up 2 years ago)