Estimate the slope of the line from the graph. 
Definitions:
Blood Pressure
The pressure of circulating blood against the walls of blood vessels, a critical indicator of cardiovascular health.
Membrane
A thin layer of tissue or material that acts as a barrier, separating different areas or environments, or allowing selective passage of substances.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.
Body Trait
A characteristic or feature of the physical body, which can be inherited or developed.
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