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eye - choose a jigsaw puzzle to solve

Eyes are organs of the visual system. They provide organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and convert it into electro-chemical impulses in neurons. In higher organisms, the eye is a complex optical system which collects light from the surrounding environment, regulates its intensity through a diaphragm, focuses it through an adjustable assembly of lenses to form an image, converts this image into a set of electrical signals, and transmits these signals to the brain through complex neural pathways that connect the eye via the optic nerve to the visual cortex and other areas of the brain. Eyes with resolving power have come in ten fundamentally different forms, and 96% of animal species possess a complex optical system. Image-resolving eyes are present in molluscs, chordates and arthropods. The simplest "eyes", such as those in microorganisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms. From more complex eyes, retinal photosensitive ganglion cells send signals along the retinohypothalamic tract to the suprachiasmatic nuclei to effect circadian adjustment and to the pretectal area to control the pupillary light reflex.
The teacher - The teacher explains the lesson
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The teacher

Added 5 days ago by Claudio

13

something random - something random that i found
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something random

Added 8 days ago by someone

18

Drawing of a girl - Drawing - line composition made on the surface, consisting of applying visual values ​​to the su
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Drawing of a girl

Added 11 days ago by Agatka

29

life continues - monika light with shadow
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life continues

Added 2 weeks ago by monika

9

chat coquin - caché dans l'arbre à l'affût
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chat coquin

Added 3 weeks ago by milly

39

Kitty - Thoughtful darling ...
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Kitty

Added 3 weeks ago by Romi

40

Lovely Aneta Zając - She graduated from the 1st degree music school. Fryderyk Chopin in Warsaw, in the piano class. She a
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Lovely Aneta Zając

Added 4 weeks ago by Dominik

16

Pensive Speaker - :) :) :) :) :) :) :) :) :) :)
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Pensive Speaker

Added 4 weeks ago by Marzena

18

Lutka's kitty - Cardboard cat
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Lutka's kitty

Added 4 weeks ago by Marzena

8

Lutka's kitty - Domestic favorite, small troublemaker :)
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Lutka's kitty

Added 4 weeks ago by Marzena

66

Beautiful Love Couple - Beautiful Love Couple
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Beautiful Love Couple

Added 4 weeks ago by Julia

7

chat perché - Balade dans les arbres
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chat perché

Added month ago by milly

24

regard de chat - je veux mes croquettes
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regard de chat

Added month ago by milly

32

szczepTata - vintageing hoptyś with dad
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szczepTata

Added month ago by jan

5

British cat - Cat breed, whose origins derive from cats imported to the British Isles by Roman legions, using them
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British cat

Added month ago by Kornelia

7

cat Janek - the cat likes to snore and does not like to go for walks
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cat Janek

Added month ago by janek

27

cat Janek - Janek cat likes to snore and he does not like to walk
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cat Janek

Added month ago by janek

8

Debby Ryan - She sang in a church choir, played in the theater and performed in talent contests. He has an older
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Debby Ryan

Added month ago by Kornelia

10

MMD JP MIKU - HPJ MMD MIKU JP JR AR BDS
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MMD JP MIKU

Added month ago by aikatsu

14

Anime Neko Girl - Anime Neko Girl, Kawaii Amino Amino
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Anime Neko Girl

Added month ago by Kornelia

19

Beautiful love couples - Best Love Couples
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Beautiful love couples

Added 2 months ago by Julia

0

lovely animals - blue-eyed kitty
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lovely animals

Added 2 months ago by Basiunia

29

Ewa Farna - known Polish-Czech singer
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Ewa Farna

Added 2 months ago by #Zakreconax3

38

cat, kitty - beautiful kitty, with cute eyes
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cat, kitty

Added 3 months ago by #Zakreconax3

136 1

Makłowicz - a well-known presenter and cook
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Makłowicz

Added 3 months ago by #Zakreconax3

49 1

Majoox10 - The beginning of the year of my crumb
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Majoox10

Added 3 months ago by majaxd

7

Kitty - Eyes when he can not see his toy :)
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Kitty

Added 3 months ago by Aneta

86

cat in luxuries - cats like luxuries, such as bed and satin
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cat in luxuries

Added 4 months ago by Mila

21

Anime Girl - Photo Girl Wallpaper
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Anime Girl

Added 4 months ago by sky limit

2

Anime Girl - Wallpaper Anime Girl
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Anime Girl

Added 4 months ago by sky limit

9

Deborah & Andrea - A wonderful day on the lake
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Deborah & Andrea

Added 4 months ago by Deb

7

Colors of life - The fantastic colors of life
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Colors of life

Added 4 months ago by Zole

41

Anime Girl - Photo Girl Wallpaper
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Anime Girl

Added 4 months ago by Sky Girl

10

Anime Girl - Photo Girl Wallpaper
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Anime Girl

Added 4 months ago by Sky Girl

1

Anime crying girl - The first Japanese animated film was the five-minute work of Oten Shimokawa from 1917 entitled Imoka
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Anime crying girl

Added 4 months ago by Jeżyna

13 1

Maite Perroni - Perroni was connected with the guitarist and at the same time the RBD manager. Their relationship en
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Maite Perroni

Added 4 months ago by Jeżyna

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