Examlex
Three second messengers involved in penile erections are
Initial Arousal
The initial phase of physiological and psychological excitement or alertness triggered by stimulus or thought.
Professional Revenue Model
A business model that is designed to generate income by providing professional services.
Cost Of Material
The expense incurred from acquiring the raw materials needed to manufacture a product or complete a project.
Dual System
A system that combines two different methodologies, structures, or principles, often seen in education or governance.
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