Chita Rivera. Chita Rivera is an iconic dancer, singer and actress known for her Tony Award-winning work in 'The Rink' and 'Kiss of the Spider Woman.' Over the decades, she's starred in an array of other musicals like 'West Side Story,' 'Sweet Charity' and 'Chicago.'.
(You can roll your mouse over the picture of the brain above to find out more about the parts of the brain.). Neurons. Every part of the brainâand the rest of the nervous system, for that matterâcontain neurons (more than 100 billion of them in all). Neurons are nerve cells with some very special properties.
Your brain contains about 100 billion microscopic cells called neuronsâso many it would take you over 3,000 years to count them all. Whenever you dream, laugh, think, see, or move, itâs because tiny chemical and electrical signals are racing between these neurons along billions of tiny neuron highways. Believe it or not, the activity in your brain never stops.