In this article we will discuss about the respiratory system of toad. Two modes of respiration are observed in the life-history of toad-terrestrial respiration, and aquatic respiration. (i) Terrestrial mode of Respiration: Toad is capable of taking in air by the lungs and skin. Respiration with the help of lung is called pulmonary respiration and that with the skin is [...]
In this article we will discuss about the reproductive system of toad. Sexes are separate. Sexual dimorphism is present in toad. During breeding season, a cushion-like thumb pad appears at the base of each innermost finger of the hand of male. Male is provided with a vocal sac opening into the buccal cavity. The impression of the vocal sac can [...]
In this article we will discuss about the digestive structure of toad. The digestive system consists of alimentary canal and its associated digestive glands. The alimentary canal is a long tube which starts from the mouth and ends in the cloaca. The alimentary canal is made up of four layers. The outermost layer is thin and called serous coat. Next [...]