W4D1P1P2P3 - Term 1 (2025)

Multiple Choice

What do our brains consist of?

• black & white matter

• grey & white matter

• red & blue matter

Multiple Choice

Your brain includes many cells called "neurons". How many neurons does a typical brain have?

• one hundred thousand

• one hundred million

• one hundred billion

Multiple Choice

What percentage of the brain is water?

• 20%

• 75%

• 90%

Multiple Choice

How much does a typical brain weigh?

• 3 lbs

• 6 lbs

• 10 lbs

Multiple Choice

At what age does the brain stop growing?

• 18 years old

• 25 years old

• never

Multiple Choice

What type of activity helps to create connections between neurons throughout your life?

• physical exercise

• mental activity

• sleeping

Multiple Choice

Approximately how many thoughts do we have each day?

• 1,000

• 10,000

• 50,000

Multiple Choice

How long can the human brain last without oxygen before it is damaged?

• five minutes

• ten minutes

• half an hour