Draw a diagram of human eye and label
iris

Draw a diagram of V.S. of human eye and label any six parts.

(a) Draw a simple diagram of the human eye and lebel clearly the cornea, iris, pupil, ciliary muscles, eye-lens, retina, optic nerve and blind spot. (b) Describe the working of the human eye with the help of the above diagram. (c) How does the eye adjust itself to deal with light of varying intensity ?

Draw a diagram of human alimentary canal and label on it: Oesophagus, buccal cavity, stomach(small intestine, large intestine(colon).

Draw a schematic diagram of a human sperm and label the cellular components.

Label the parts of the following diagram of the human eye and state the functions of those parts.

Draw a diagram of the human duodenum and the associated glands. Label the glands and their respective ducts pouring into the duodenum.

Draw a diagram of human excretory system and label the following : (i) Urinary bladder (ii) Left kidney (iii) Left ureter