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Two atria and one ventricle make up the three-chambered heart of a snake. The right and left atria receive blood from the lungs and body, respectively, and pass it to the ventricle to be circulated again. Encased in a sac, called the pericardium, the heart is located at the branching of the bronchi.
Rating Newest Oldest. Best Answer: The heart is located about a quarter way down from the head, and the lung (or lungs) can stretch about 2/3 of the way down the snake. Some snakes of two functional lungs and others have only one and the other is significantly reduced and non-functional. Here's a link with a snake anatomy diagram: http://science.howstuffworks.com/snake1.... http://static.howstuffworks.com/gif/snak... http://www.kwic.com/~pagodavista/schoolh...