Match the equation with one of the graphs below. 
Definitions:
Immune System
The immune system is the body's defense mechanism against infectious organisms and other invaders, comprising a network of cells, tissues, and organs.
Bodily Functions
The physiological processes and actions performed by the body’s systems, necessary for maintaining life and health.
Neurological System
The system of the body that includes the brain, spinal cord, and a network of nerves; responsible for transmitting signals between different parts of the body.
Crystallized Intelligence
An aspect of intelligence characterized by the ability to use knowledge, experience, and learned skills.
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