Stimulus and response in human

Retina has two types of photoreceptor

• Rod cells

• Cone cells

• Sensory cells

• Optic nerves

Cone cells are sensitive to

• Blue

• Yellow

• Red

• Green

Part of retina which is most sensitive to light

• Retina

• Blind spot

• Yellow spot

• Choroid

Part that give color to our eye

(a)  

Opening area which controls the quantity of light entering the eye

(a)  

Suspensory ligaments is a strong fibres which hold the ...

(a)  

Name of cells that sensitive to different light intensities

(a)  

Part of human ear that not involved in hearing mechanism

• Semicircular canals

• Ossicles

• Cochlea

• Eustachian tube

Part of ear that located in middle ear

• Oval window

• Semicircular canals

• Auditory nerve

• Cochlea

Detects and converts sound vibration into nerve impulses is done by

(a)