Let’s good things in like the owners and doesn’t let bad thing in like robbers.

Everything starts from the bottom up and you need a foundation to build up if not the building would sway back and forth or it will go tumbling down

If people aren’t at the house the house in not full of life if people are in the house the house is full with life

It makes the energy for the house to be warm that’s why it’s the power house.

Because cytoplasm is water and nothing else so that is the closest thing I can relate it to like the bathroom sink toilet sink fridge water ect

Keeps the bad things out it’s like the first line of defense if there was attackers attacking you

The vents breath air so when there is air it expands and if there is no water in there you can tell or hear it drying or it no longer having air in it.