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Table of Contents

Introduction References & Edit History Related Topics

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Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health

17 Questions About Health and Wellness Answered

Discover

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that

America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Santa Claus flying in his sleigh, christmas, reindeer

Was Santa Claus a Real Person?

The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)

11 Banned Books Through Time

Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

10 Greatest Baseball Players of All Time

secretion: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

mucus musk castoreum sweat tear smegma royal jelly nectar byssus pigeon’s milk DNA repair cell cycle base excision repair transformation cell division stem cell thyroid gland adrenal gland pituitary gland pancreas

Key People

Claude Bernard, detail of a lithograph by A. Laemlein, 1858

Claude Bernard

French scientist

Ivan Pavlov

Ivan Pavlov

Russian physiologist

Starling

Ernest Henry Starling

British physiologist

Sir William Maddock Bayliss

British physiologist

Carl Richard Moore

American zoologist

Oskar Minkowski

German physiologist

Quiz

Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)

The Human Body