Heart depending on what is counted as a chamber. The atrium and ventricle are sometimes considered "true chambers", while the others are considered "accessory chambers". Primitive fish have a four-chambered heart, but the chambers are arranged sequentially so that this primitive heart is quite unlike the four-chambered hearts of mammals and birds. The first chamber is the sinus venosus, which collects deoxygenated blood from the body through the hepatic and cardinal veins. From here, blood flows into the atrium and then to the powerful muscular ventricle where the main pumping action will take place. The fourth and final chamber is the
Which Way to the War figures one were read on the official report commissioned by ITV) and was never brought back for or developed into a series despite the success David Croft had with "Dad's Army", "It Ain't Half Hot Mum" and "'Allo 'Allo!". The pilot was directed by Roy Gould who had worked for David Croft at the BBC. Which Way to the War Which Way to the War is an intended British television sitcom written by David Croft and Jeremy Lloyd, which was discontinued after a one-off broadcast pilot on 19 August 1994. It was also Croft and Lloyd's only ITV sitcom and