Martina Sent a Graduation Party Invitation to Her Friend Bernadette

Multiple Choice

Martina sent a graduation party invitation to her friend Bernadette, which took four days to reach her. When she received the invitation, Bernadette e-mailed Martina to say she would attend her graduation party. Martina received the e-mail almost immediately after Bernadette sent it. In this example, Martina's approach to communication is similar to the _____ and Bernadette's is similar to the _____.

A) central nervous system; peripheral nervous system
B) peripheral nervous system; central nervous system
C) nervous system; endocrine system
D) endocrine system; nervous system