Brain Teaser flashcard

Front

The average human adult brain weighs about

Back

3 lbs

Front

The brain is made up of 78%

Back

water

Front

The surface of the brain is

Back

so soft it can be cut with a butter knife

Front

The brain is about 2% of your body weight and uses what % of your body's energy?

Back

20

Front

How many neurons (brain cells) does a human brain have?

Back

100 billion

Front

How many minutes can the brain function without oxygen before damage occurs?

Back

4-6 minutes

Front

How much water should you drink each day to make sure your brain is operating at its peak? Options: 2-4 glasses, 5-7 glasses, 8-12 glasses, 13-15 glasses

Back

8-12 glasses

Front

Which of the following is a function or mode of thinking associated with the right brain hemisphere? logical analysis, language, controls left side of body, controls right side of body

Back

controls left side of body

Front

Which of the following functions is the prefrontal cortex of your brain responsible for?
ability to plan for future,
ability to understand conversation,
ability to maintain balance,
ability to regulate emotions

Back

ability to plan for future

Front

Neurons send signals to other neurons at a rate of about

Back

200 mph