Kathy Blumenhauer, of Macungie, and her dog Toland, a bullmastiff mix, visit the 'Heroes Helping Heroes' event to donate blood for humans and animals in need. 'I pretty much stay as healthy as I can so I can do this,' Blumenhauer said. Blumenhauer donates blood every few months. Toland is making his debut as a blood donor. Held annually, Heroes Helping Heroes invites owners and their dogs to donate blood. Humans were encouraged to donate at the event. Dogs, with the help of their owners, were to make