Atrium (heart) similar function. Some animals (amphibians and reptiles) have a three-chambered heart, in which the blood from each atrium is mixed in the single ventricle before being pumped to the aorta. In these animals, the left atrium still serves the purpose of collecting blood from the pulmonary veins. In some fish, the circulatory system is very simple: a two-chambered heart including one atrium and one ventricle. Among sharks, the heart consists of four chambers arranged serially (and therefore called a serial heart): blood flows into the most posterior chamber, the sinus venosus, and then to the atrium which moves it to
Which Side Which Side Which Side Podcast is a political podcast hosted by animal rights activist and Grand Jury resister Jordan Halliday and Jeremy Parkin. It features various guests with discussions involving animal rights, earth rights, atheism, anarchism, and many other topics. Which Side has been releasing episodes every week on iTunes and Stitcher since November 2012. The podcast takes its name from the folk song Which Side Are You On?. Which Side Podcast helped found the Which Side Media Collective which it is also a member of. The collective helps have a central outlet for helping distribute and create radical content.