This is a human spirit given to each of us in the womb by God. (See 'HUMAN SPIRIT')

Here is the body/brain with both the human spirit and God's Holy Spirit, if you have one.  (SEE 'HOLY SPIRIT' )

When the pure human spirit gets put, by God, into the fetus of a pregnant woman, it becomes impure by association with the body and its cellular genetic recorded past.
 

The human spirit is bombarded by messages from the body/brain's past in response to stimuli in the present. We have to remember that the body has evolved all the way from Adam and Eve.  See 'THE DIFFERENCE BETWEEN YOU, THE BRAIN, and YOUR MIND' below.

SUMMARY: WHAT WE ARE COMPOSED OF: 'HUMAN SPIRIT', 'BODY', & GOD'S 'HOLY SPIRIT' if we have one:  

We can know that "spirit" when mentioned in the Bible (See  'HOW DO WE GET OUR HUMAN SPIRIT'), is the 'human spirit' and is given to us by God in the womb to help us survive and rule over all the earthly animals/birds/creatures listed in Genesis 1:26.  When the 'human spirit' is first given, it is untarnished by body genetics and brain messages.  The "soul" is the 'human spirit' interacting with these.   There is also God's Holy Spirit which we can have also. (See section on 'HOLY SPIRIT' below).  I have not begun to cover the aspects of our MIND.  That is covered by 'THE DIFFERENCE BETWEEN, YOU, THE BRAIN, and YOUR MIND' below.

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