Question 1
Approximately how many neurons are created during the most rapid phase of neuron development in the second trimester?
◦ 1,000 per minute
◦ 5,000 per minute
◦ 100,000 per minute
◦ 250,000 per minute
Question 2
As it relates to brain development during adolescence, what does the phrase
use it or lose it imply?
◦ The brain selectively prunes neurons and connections that aren't being used.
◦ The brain prunes connections to muscles that are not being regularly exercised.
◦ Adolescent brain development slows down and is set on standby until it is needed.
◦ Mental activities such as problem solving and completing mathematical computations will be forgotten if not practiced daily.
brain
The surface of the human brain
Development of the Reproductive Systems
Fetal Development
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