hes, camed hymphs come out.he Indian bullfrog, Rana tigrina, is the common frog found in India. Ied by skin. Mucous glands are present in the skin which ts highty vaseselps in respiration in water and on land. Body is divisible into head anvscular tongue is present, which is bilobed at the tip and is used in carey. The alimentary canal consists of oesophagous, stomach, intesm, which open into the cloaca. The main digestive glands are liver and prespire in water through skin and through lungs on land. Circulatorsed with single circulation. RBCs are nucleated, Nervous system isentral, peripheral and autonomic. The organs of uririnogenital ducts, which open into the cloaca. The male reproductof testes. The female reproductive organ is a pair of ovaries. A f3000 ova at a time. The fertilisation and development are externainto tadpoles, which metamorphose into frogs.nogenital system aEXERCISESnswer in one word or one line.(i)Give the common name of Periplanata americana.