The last option is correct. The passage uses a specific example, but the main idea of the passage is that the systems in our body are connected, so laughter (because it’s a sign of happiness) can relieve stress and boost our immune system.
Answer/Explanation:
on number 2 I would recommend you say "because the throne and responsibilities of a king were forced upon him" after everything you have already written.
for number 4 I would say that ET is about relationships between aliens and humans and between humans and other humans and the conflicts between characters during the quest to get ET home.
I don't know if those are too long, but that is what I would say.
Surprise perhaps.
Character enlightenment
Discovery of something that was not known before (mysteries thrive on this sort of thing).
Serious conversation that reveals something about the person talking.
If you give us the choices you have, I will add to your details part, because I doubt I can edit this.