A use-it-or-lose-it pruning process shuts down some ___ and strengthens others O critical periods
o neural connections
epigenetic marks
o secure attachments

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

What are hormones? a. they are minerals needed for proper bone formation. b. they are the parts of the body targeted by endocrine glands. c. they are substances needed for muscle and nerve activity. d. they are substances released by endocrine glands.

Match these items. 1. the ability to evaluate information to judge whether it is true or not consequence 2. the result of a decision made or an action taken discernment