In this article we will discuss about the skeletal structure of toad. There is no exoskeleton in toad. The skeleton that supports the soft parts lies internally and is designated as endoskeleton. It is chiefly made up of bones and cartilages. These two structures are associated with one another to form the internal framework. The endoskeleton is described under two [...]
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 [...]