In this article we will discuss about the external structure of toad. This will also help you to draw the structure and diagram of toad. Toad has a short bilaterally symmetrical body (Fig. 1.61). There is no exoskeleton over the skin, i.e., the skin is naked skin is rough in texture. The dorsal side of the body is blackish-gray while [...]
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 [...]