In Part Four, there are brief descriptions of the major components
of biological existence, including the human cell,
tissue, organ and organ systems. Special attention is paid
to the human brain and its major components. Examples of
chance and determinism and their effects upon the human
body are presented by pointing out how dysfunctions in the
chromosomes can bring about illness and disease. Finally,
there is a discussion of human personality.


What is life?
Biological evolution
The hierarchical arrangements of life forms
The human cell
The key organic compounds
Embryonic stem cell
Human tissue systems
Human organ systems
The human brain and the neuron cell complexes
Brain components
A standing ovation for the brain  
Human chromosome malfunctions
What is personality?
Personality types
The blend and clash of personalities
The brain and unusual human behaviors
Can we rise above circumstance?

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