The Ieech makes a triradiate or 'Y' shaped incision in the skin of the host by the jaws protruded through the mouth and sucks the blood by muscular pharynx.

There are different types of teeth in rabbit. Hence, called as heterodont denitition.

CNS stand for Central Nervous System.

Rings of cartilages are found in the tracheal walls of rabbit to help in the free passage of air.

Male Reproductive system
(i) Male reproductive system of rabbit consists of a pair of testes which are ovoid in shape.
(ii) Testes are enclosed by scrotal sacs in the abdominal cavity
(iii) Each testis consists of numerous fine tubules called seminiferous tubules
(iv) This network of tubules lead into a coiled tubule called epididymis, which lead into the sperm duct called vas deferens.
(v) Below the urinary bladder is the urethra. Vas deferens joins the urethra.
(vi) Urethra runs backward and passes into the penis.
(vii) There are three accessory glands namely prostate gland, cowper's gland and perineal gland. Their secretions are involved in reproduction.

(i) Herbivores have a more specialised digestive system than that of a carnivore because it is more difficult to digest vegetarian than meat.
(ii) Plant material is difficult to digest, particularly plant cellulose.
(iii) The herbivorous animals have a longer intestine than the carnivorous animals giving more time for digestion.
(iv) The teeth is also designed to grind the grass and plant material rather than the sharp teeth of carnivores designed to tear flesh.