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Purple smoke effect and lightning strikes frame background. Realistic storm clouds with magical energy flashes. Glowing thunderbolt with fog border design on black
Propagation and Conduction of Nerve Impulse Infographic Diagram including polarization resting potential depolarization action re-polarization neurology biology physiology science education vector
Healthy human heart beats 3d medicine model low poly. Triangle connected dots glow point red background. Pulse internal body modern anatomical shape innovative technology render vector illustration
Technological vector background with a circuit board texture. Digital technologies abstract background
Red rippled wave signals. Sonar or sound wavy lines. Epicentre, target, radar, vibration element concepts. Radio pulsating signal.

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