Small nostrils limit the horse's ability to breathe hard while exerting itself.

She shrank from him, breathing hard, coughing again now, and shivering under her blanket.

Master these basic techniques and simple strategies and it will be your opponents who are breathing hard as they scamper around the court, not you.

Aim for a pace where you're breathing hard enough to just about keep up a conversation while you move.

Walk at a pace that leaves you breathing hard for 1 minute, followed by a gentler pace for 2 minutes.