Quiz yourself on the human brain

Brain 2How much do you know about the human brain? Test yourself with our multiple-choice quiz below.

1. There are roughly ______ nerve cells in the human brain.
A) one million
B) one billion
C) one trillion

2. The brain accounts for about ______ percent of a typical person’s body weight.
A) 2
B) 10
C) 20

3. The brain can process ______ task(s) at a time.
A) only one
B) up to two
C) an infinite number of

4. ______ within 30 hours of new learning seems to be essential.
A) Reading
B) Eating
C) Sleeping

5. ______ of moderate physical activity each day can help enhance memory and learning, improve mood and counteract depression.
A) Five minutes
B) Half an hour
C) Two hours

Find the answers!

1. There are roughly ______ nerve cells in the human brain.
A) one million
B) one billion
C) one trillion

The brain also has billions more “support” cells and at least 100 trillion synaptic connections linking everything together.

2. The brain accounts for about ______ percent of a typical person’s body weight.
A) 2
B) 10
C) 20

While it accounts for 2 percent of our body weight, the brain consumes 20 percent of the oxygen we breathe and 20 percent of the energy we take in.

3. The brain can process ______ task(s) at a time.
A) only one
B) up to two
C) an infinite number of

The brain’s capacity for processing more than one task at a time is limited.

4. ______ within 30 hours of new learning seems to be essential.
A) Reading
B) Eating
C) Sleeping

“Slow-wave” sleep, a type of non-REM sleep that generally occurs early in the night, is crucial to learning.

5. ______ of moderate physical activity each day can help enhance memory and learning, improve mood and counteract depression.
A) Five minutes
B) Half an hour
C) Two hours

Increasing your level of physical activity is one of the best things you can do for your brain.

March 11-17, 2013, is Brain Awareness Week, which aims to increase awareness of the progress and benefits of brain research. It’s also a great opportunity to learn more about the complex organ that runs our body every day. Learn more at dana.org/brainweek.

One thought on “Quiz yourself on the human brain

  1. Hey there! I’ve been reading your blog for a while now and finally got the bravery to go ahead and give you a shout out from Atascocita Texas! Just wanted to tell you keep up the fantastic work!

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