3 great posts on interconnectedness and mutuality by Hokai:

Mutuality 1
Mutuality 2
Mutuality 3

I tend to think that a lot of our interconnectedness, is "invisible".  Simply being able to communicate with others, to SPEAK, or to THINK, means you are already enmeshed in, and owe a debt to, human society.  Just check out those rare cases of people "raised in the wild", and the total lack, and inability - to develop communication skills.