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Fun Facts: The Brain Flashcards | StudBud
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Fun Facts: The Brain
Fun Facts: The Brain
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30 cards
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Questions
30
Answers
1
About how much of a young child's energy is used by the brain?
1/4
1/3
All of it
1/2
2
The brain is mostly composed of
water
protein
carbohydrates
empty space
3
When you snore, this is a sign that you are dreaming.
True
False
4
What is the first sense a fetus experiences?
touch
sight
smell
taste
5
Some people are "left-brained" while others are "right-brained".
True
False
6
There are about half the number of neurons in the brain as there are stars in the Milky Way Galaxy.
False
True
7
All people with dyslexia see words backwards.
True
False
8
Humans only use 10% of our brain.
True
False
9
Multitasking is possible for most people.
False
True
10
In the last 10 years, the human attention span has decreased by
2 minutes
5 minutes
5 seconds
12 minutes
11
The signals traveling from your brain to your body travel at a speed of
63 mph
750 mph
150 mph
500 mph
12
Up to how many words can an adult remember?
1,000,000
20,000
500,000
100,000
13
The majority of cells in the brain are not neurons.
True
False
14
New neurons are not produced in the adult brain.
False
True
15
What is the maximum number of digits short term memory can hold?
9
7
3
5
16
Dunbar's number states that a person can only have close ties to _____ people
25
375
10
150
17
People who eat seafood at least once a week have a 30% lower chance of dementia.
True
False
18
The brain of an adult human is almost the same size as that of a newborn baby.
True
False
19
What is the brain's approximate storage capacity?
2000 gigabytes
2,500 gigabytes
2,000,000 gigabytes
2,500,000 gigabytes
20
Sphenopalatine ganglioneuralgia is the technical term for
losing your memory
going crazy
stroke
brain freeze
21
The combined length of all the blood vessels in the brain can encircle the earth at the equator four times.
False
True
22
The brain can use up to 50% of the body's oxygen and glucose if necessary.
True
False
23
How much does the brain weigh?
3 lb
1 lb
5 lb
10 lb
24
How long does short term memory last?
20 to 30 seconds
1 month
3 hours
2 weeks
25
Which of the following smells increases brain waves?
burnt wood
chocolate
expo marker
roses
26
Brain waves during sleep have a higher amplitude than waking brain waves.
True
False
27
Your skin is how many times heavier than your brain?
10
5
2
1/2
28
The brain itself cannot feel pain.
True
False
29
The brain stops developing at puberty.
False
True
30
What is the average human attention span?
8 seconds
12 minutes
2 minutes
5 minutes