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18. This adaptation happens when you move from a LIT room to a dark... a. Retina becomes MORE sensitive b. Initially, the rod
18. This adaptation happens when you move from a LIT room to a dark... a. Retina becomes MORE sensitive b. Initially, the rods are turned off C. Rhodopsin accumulates d. Cones stop working 19. Which of the following would be found in the outer ear? a. Sebaceous glands b. Hair C. Ceruminus glands (modified sweat glands)
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18.Option C-Rhodopsin Accumulates.

When You are in a immense Light area,Your Cones helps in Vision.

During this time of Intense light Rhodopsin pigments decompose .

But when you Enter a Dark place, these Rod cells regenerates and accumulates which helps Vision in Dimi light(scotopsci Vision)

Since Rhodopsin regeneration takes some time,This is why you cant see for a while soon as you enter dark area from lighted area.

19.Option C-Ceruminous Glands.

Outer Ear Include Pinna and ear Canal.

Ear canal Contains-

1.Modified sweat glands(Ceruminous galnds) that Secreates Cerumen(wax)

2.some small hairs may also be present in Ear canal,Especially in old age.

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