Chick looks like its panting help !!!

[Spitman]

You can see his chest and body heaving more than all the other chicks like his heart is racing what can I do for this chick ? Is there something wrong with it ? is it having heart Problems , It also opens his mouth like he is panting all other chicks are normal so the brooder temp is fine . Help please .

 

[Celtic Chick]

I'd take it away from the rest of your chicks in case it is sick.
And just because the rest of the chicks are fine doesn't mean this one isn't hot. Feel its feet. Are they hotter than the other chicks? He could be stressed too.
Try to get it to drink some water.