instruction:
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
question:
This organ produces a tetrapeptide, which bonds to macrophage receptors, and is known as tuftsin. The sinusoids of one portion of this organ contain blood and a reserve of monocytes which can be utilized in the case of hemorrhagic shock. The other major portion of this organ contains Malphigian corpsules and synthesizes antibodies. Located in the abdominal region and consisting of red and white pulp, for 10 points, name this organ part of the lymphatic system that helps to filter and clean the blood.
answer:
Social Science


question:
A member of the Alcmaeonid family he was born under a family curse incited by his great-grandfather. Peisistratus exiled him and his family, but he returned twenty years later, and during the reign of Hippias convinced the Delphic oracle to tell Sparta to help overthrow the tyranny. Gaining power in 510, he broke the traditional aristocracy, instituting a system of the ten tribes of Attica.. FTP,  identify this Athenian tyrant who created the council of 500 in order to favor equal rights for all citizens.
answer:
History


question:
The floor in this painting appears to be a tiled geometric pattern consisting of circles and triangles. The background is primarily made up of green curtains, and there is a small, black and white crucifix in the upper left-hand corner of this painting. There is a two tiered table in the middle of this painting, and on the top tier a globe and astronomical equipment are placed, while on the bottom, a musical instrument sits and a book lies open. The two men in this painting are holding scrolls and wearing dark clothing. A noticeable feature in this painting is a large, anamorphic skull that appears at the feet of the two men for whom this painting is named. For ten points, identify this painting by Hans Holbein the Younger.
answer:

Fine Arts