![Pet Supplies : Snuggle Puppy Replacement Pulsing Heartbeat for Pets - Anxiety Relief and Calming Aid for Dogs and Cats : Amazon.com Pet Supplies : Snuggle Puppy Replacement Pulsing Heartbeat for Pets - Anxiety Relief and Calming Aid for Dogs and Cats : Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71s+27KYkBL._AC_UF1000,1000_QL80_.jpg)
Pet Supplies : Snuggle Puppy Replacement Pulsing Heartbeat for Pets - Anxiety Relief and Calming Aid for Dogs and Cats : Amazon.com
![Pet Supplies : ALL FOR PAWS Heartbeat Dog Toy,Dog Anxiety Relief,Sheep Stuffed Dog Toys,Pet Toys,Dog Training & Behavior Aids,Dog Plush Toy : Amazon.com Pet Supplies : ALL FOR PAWS Heartbeat Dog Toy,Dog Anxiety Relief,Sheep Stuffed Dog Toys,Pet Toys,Dog Training & Behavior Aids,Dog Plush Toy : Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61mjK+KWm1L._AC_UF894,1000_QL80_.jpg)
Pet Supplies : ALL FOR PAWS Heartbeat Dog Toy,Dog Anxiety Relief,Sheep Stuffed Dog Toys,Pet Toys,Dog Training & Behavior Aids,Dog Plush Toy : Amazon.com
![A racing heart drives anxiety behavior in mice, Stanford Medicine researchers find | News Center | Stanford Medicine A racing heart drives anxiety behavior in mice, Stanford Medicine researchers find | News Center | Stanford Medicine](http://med.stanford.edu/content/dam/sm-news/images/2023/03/heartbeat.jpg)
A racing heart drives anxiety behavior in mice, Stanford Medicine researchers find | News Center | Stanford Medicine
![Amazon.com : Pet Fit For Life Rechargeable Heart Beat Simulator with USB Cord - Reduce Pet Anxiety with This Heartbeat Sound Machine - Your Cat, Kitten, Dog, or Puppy Will Love It : Amazon.com : Pet Fit For Life Rechargeable Heart Beat Simulator with USB Cord - Reduce Pet Anxiety with This Heartbeat Sound Machine - Your Cat, Kitten, Dog, or Puppy Will Love It :](https://images-na.ssl-images-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81ySu+XbZAL._AC_UL210_SR210,210_.jpg)