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.
This knowledge is essential to understanding how you can keep your brain healthy, and why these different strategies work. The 86 billion neurons in your head are constantly active. Even though the brain doesn't account for much of your body weight, it uses 20% of your body's energy to function.It's a matter of gray and white. Gray matter, which contains the parts of neurons that carry out thought processing, uses most of this energy.he 86 billion neurons in your head are constantly active. Even though the brain doesn't account for much of your body weight, it uses 20% of your body's energy to function. It's a matter of gray and white. Gray matter, which contains the parts of neurons that carry out thought processing, uses most of this energy.