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 Is Witch Which Is Witch Which Is Witch is a 1948 "Looney Tunes" cartoon released by Warner Bros. in 1949, directed by Friz Freleng and written by Tedd Pierce. Bugs Bunny is exploring Dark Africa. A short witch doctor ("Dr. I.C. Spots") wants to use him as a key ingredient in a prescription. Initially believing he is enjoying a hot bath, Bugs notices that he's being cooked and escapes, while Dr. Spots chases him. Bugs disguises himself as a Zulu native woman but this ploy fails. In the river, he finds and swims to a ferry boat. As Dr. Spots follows a