In this article we will discuss about the excretory system of toad. During metabolism various nitrogenous waste products are formed in the body. The process concerning the extraction of nitrogenous waste products and their removal from the body is called excretion. Nitrogenous waste products such as urea, uric acid and excess of water with some salts are excreted as urine. [...]
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 [...]