During the development of your four-year-old nephew's brain, a ...

[MirandaLo]

During the development of your four-year-old nephew's brain, a number of neurons died and many synapses were pruned. As a result, when he is older, he will
 
  a. suffer from intellectual disability
 b. probably be totally normal.
 c. not be able to learn to talk.
 d. have normal speech, but his intellectual functioning will be lower than normal.

Question 2

Recruitment proceeds in a way that ensures that the
 
  a. least amount of energy and force possible will be used to do a job.
 b. greatest amount of energy and force possible will be used to do a job.
 c. fastest fibers will be recruited first to produce optimum reaction time.
 d. fibers with the greatest oxygen requirements will be used only when absolutely necessary for survival.

[heyhey123]

Answer to Question 1

b

Answer to Question 2

a

[MirandaLo]

Excellent

[CAPTAINAMERICA]

Gracias!