Eyes

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Eyes

Eyes are organs that detect light. The simplest "eyes", in even unicellular organisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms and may allow the organism to seek out or avoid light. More complex optical systems with resolving power have come in ten fundamentally different "designs", and 96% of animal species possess a complex optical system.

When a person is crying, tears come out of their eyes.

These photos are presented for the purposes of identifying various body parts

Images of Human Body
Human anatomy.jpg
Human anatomy
External Head CheekMouthLipEyeEarEar lobeFaceHairNapeNeckNose
Torso AbdomenAnusBackBodyBreastsBubble buttButterfly buttocksButtocksCervixCheekChestClitorisCrotchDimples of VenusEpidermisErogenous zoneGenitalsGluteal cleftGluteal sulcusGluteus maximusHindquarterHipLabiaNipplePenisPerineumPubic hairPubisRectumRhombus of MichaelisSacral triangleScrotumSkinSmall of the backSphincterSpinal grooveStomachSweet spotTesticlesVaginaVulvaWaist
Crotch AnusBasketBald eagleBall crusherClitorisCrotchCrotch ropeGenitalsLabiaPenisPerineumPubic hairPubisRectumScrotumTesticlesVaginaVulva
Limbs AnkleArmCalfFingerFootHandKneeLapLegPalmThighWrist
Internal BloodCoccyxKidneysMuscleNociceptorPelvisRib cageSacrumSpine
Effects ErectionHandprintOrgasmTearVaginal lubrication
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