# data[].attributes.headline
All the systems but mainly the nervous and the circulatory system

# data[].attributes.subject
All the systems but mainly the nervous and the circulatory system

# data[].attributes.body
Because without the advanced system of the brain, nothing in the body will work. People can live without a heart if blood is being pumped in, you cant do that without a brain you know what im saying?

# data[].attributes.body
Since it has the brain and you can replace everything with artificial things but not the brain.

# data[].attributes.headline
the nervous system because the brain is the bodys control center

# data[].attributes.subject
the nervous system because the brain is the bodys control center

# data[].attributes.body
They all have important functions in order for you to survive

# data[].attributes.body
because it protects the structure of human body system from the force pushing down and stores minerals.

# data[].attributes.body
Without the brain your dead.

# data[].attributes.body
I dont want to be jello 💯

# data[].attributes.headline
The nervous system because  it is a complex communication network in the body, composed of the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves outside the brain and spinal cord), responsible for controlling and coordinating bodily functions 

# data[].attributes.subject
The nervous system because  it is a complex communication network in the body, composed of the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves outside the brain and spinal cord), responsible for controlling and coordinating bodily functions 

# data[].attributes.body
The nervous system is the most essential as it helps communicate with other parts of the body, and without the brain, humans wouldn't know how to move their body parts. The word 'verb' wouldn't be a thing.

# data[].attributes.body
Because we need oxygen, if we don't have the respiratory we can not live.

# data[].attributes.body
Though all organ systems are essential, the Nervous System is arguably the most critical organ system because it controls and coordinates a majority of all the other body functions, including thoughts, feelings, etc.

# data[].attributes.body
because without the brain or nerves, you cannot move, think, or control your body.

# data[].attributes.body
The nervous system controls and coordinates the body's activities by connecting each organ system and transmitting necessary information between the brain, spinal cord, and each part of our body. Without this role, we would be unable to do anything.