Symptoms of caffeine withdrawal include

a. cardiac arrhythmias.
b. severe headaches

Which of the following is an example of learning?

a. The human brain continues to grow and develop after birth. b. A human male develops the capacity to produce sperm cells at puberty. c. Drinking coffee makes a person more aroused. d. A student does not swat at a wasp buzzing around her head.

If Doreen understands class inclusion, then she understands

A) what grade she will be in at school. B) that dogs are mammals and that mammals are animals. C) that the task of cleaning her room also includes the chore of taking her dirty clothes to the laundry. D) that abstract principles apply to everyday life.