In this article we will discuss about the circulatory system of toad. The circulatory system includes two systems: the blood vascular system (cardio vascular system) and the lymphatic system. Circulatory system is the internal transport mechanism by which nutritive materials, hormones, waste products, carbon dioxide and oxygen are conveyed to the different parts of the body. The cardiovascular system of [...]
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 [...]