Regulation of cardiac activity ｜ Body fluids and circulation ｜ Biology ｜ Khan Academy https://diler.tube/videos/watch/0f513337-06eb-4b94-9ba8-68401062a9d1 Let's find out which part of our body can increase or decrease our heart rate. Sun, 04 Oct 2026 11:48:27 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube Regulation of cardiac activity ｜ Body fluids and circulation ｜ Biology ｜ Khan Academy https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/0f513337-06eb-4b94-9ba8-68401062a9d1 All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.