gravity and gas keeps it running
Atmosphere
In building construction, you usually have one horizontal plane (that floors) that is intersected by a vertical plane (the walls or support beams).
When a patient needs a machine, or a ventilator to breath for them, then that patient is on artificial life support. When a patient does not have the ability to breath on their own, or eat on their own, they will need artificial life support, or they will die.
Everything necessary to support human life.
Earth gets every thing it needs to support life from the sun.
It needs atmosphere and be a bit farther away from the Sun.
i like the Cartesian plane
Nutrition is the ability to take in food or raw materials to support other life processes. It is also the ingestion to be assimilated by the body.
simple. for human life, you need water, oxygen, food, shelter, clothing, plants, and animals
A rehab support worker's role - is (a) to offer support to the client, (b) to give the client ideas and strategies to make their life better and (c) to ensure that once they no longer need the support services, they don't relaps back into their previous life.
No amount of "experience" will make you a plane.
Your plane ticket and a passport.