https://diler.tube/videos/watch/000c9ed7-db21-47bf-b878-737c75582319 In this video, we explore the intricate biology and anatomy of the Phylum Hemichordata, breaking down their distinct three-part body plan consisting of the proboscis, collar, and trunk. You will journey through their internal systems to understand how they function in the ocean depths, learning about their open circulatory system with a dorsal heart, their specialized paired gill slits for respiration, and the unique proboscis gland used for excretion. Fri, 23 Oct 2026 16:15:15 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/000c9ed7-db21-47bf-b878-737c75582319 All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.