9: major calyx
15: pyramid
17: papilla
They are part of an organ system
If having long-term anxiety is can can caused your brain to release stress hormones more likely causing you to have headaches, feeling dizzy or even depression.
B. Meeting new friends.
Meeting new friends is a sign of happiness, and wanting to expand social life.
Answer:
A Graphic Element shows relationships, hierarchy, and emphasis visually.
Explanation: