Left
By 8 weeks old, how much of your total body weight is made up by the brain?
20%
50%
43%
61%
43%
What keeps your brain safe?
Your spine
Your skull
Your skin
Your hair
Your skull
Subdural means above. True or False?
False! It means below or under.
What is the fluid in your brain called?
Cerebellum fluid
Chromosome fluid
Cytoplasm fluid
Cerebrospinal fluid
Cerebrospinal fluid
Your brain shrinks if you don’t exercise it. True or False?
True!
What kind of food does your textbook compare your brain to?
Tofu
Egg
Butter
Jello
Egg. Specifically egg yolk/egg whites.
When does your frontal lobe fully develop?
25 to 30 years old
18 to 21 years old
27 to 35 years old
20 to 25 years old
25 to 30 years old
Your central nervous system begins to develop at 4 weeks old. True or False?
False! 3 weeks.
How much does your brain weigh when you’re born?
1 pound
2 pounds
2/3 to 3/4 of a pound
3/5 to 5/6 of a pound
2/3 to 3/4 of a pound
How many neurons does your brain have?
Over 100 thousand
Over 100 million
Over 100 billion
Over 100 trillion
Over 100 billion