I do remember they said God created Adam and then breathed into his nostrils the breath of life which refers to some kind of animating force that only comes from God
Yes that is what I said.
Spirit pneuma is impersonal life-force. Soul nephesh is the living being.
Life-force/spirit comes only from god therefore scientists cannot make life. Satan cannot make life.
Euthanasia is always wrong. Very basic JW theology.