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? to guarantee the debts of the Association to a maximum of 50p. It also means they will receive Annual Accounts, AGM Minutes, and be able to vote on Resolutions that change the governing Articles. None of the Council, or Board members is paid [other than the employees], although they are entitled to claim reasonable expenses. Tim Gardam became Chairman on November 18th 2015, replacing Patrick Barwise who had held the role since 2010. Which? Which? is a brand name used by the Consumers' Association, a registered charity (No. 296072) and company limited by guarantee (No. 580128), which is based in