(a) Aqueous humour : The thin watery fluid that occupy space between lens and cornea in eye.
(b) Blind spot: A spot on retina which is free from rods and cones and lack the ability for vision.
(c) Cerebrospinal fluid: An alkaline fluid present in between inner two layers of meninges.
(d) Cerebellum: A part of hind brain that controls the balance and posture of the body.
(e) Cochlea: A spirally coiled part of internal ear which is responsible for hearing.
