My heartbeat seems much faster and heavier especially after eating but the symptoms seem to come and go as they please. I've never felt pain that made me cringe or would actually consider 'painful' but still worry me; and I've never really felt the pains with exertion except for once,...
The animal’s body becomes cold, and its heartbeat and breathing(呼吸) slow down. It seldom moves. In autumn, these animals get ready for winter by eating much more food than in summer and storing it as body fat. They use this fat to keep them alive while hibernating. Water makes ...