Stimuli and Responses in Human (5)

Parts of the human eye and their functions (12)

Choroid - Black layer that prevents reflection of light in the eye and supplies oxygen and nutrients to the eye

Parts of the human eye and their functions (13)

Sclera - Strong layer that maintains the shape of the eye and protects it

Parts of the human eye and their functions (14)

Eye lens - Transparent and elastic convex lens which focuses light onto the retina

Parts of the human eye and their functions (15)

Ciliary muscle - Muscle that changes the thickness of the eye lens through contractions and relaxations

Parts of the human ear (1)

Outer ear

Parts of the human ear (2)

Middle ear

Parts of the human ear (3)

Inner ear

Part of human's outer ear (1)

Earlobe

Part of human's outer ear (2)

Ear canal

Part of human's middle ear (1)

Osicles