In this article we will discuss about the endocrine system of toad. The endocrine (endos = within; krine = separate) system includes a number of ductless glands which secrete chemical substances called hormones (hormao —excite) directly into the blood stream. They are thus distinguished from the exocrine glands, such as liver, which pour out their secretions externally through ducts. The [...]
The following points highlight the two main types of alimentary system of toad. The types are: 1. Alimentary Canal 2. Digestive Glands. Type # 1. Alimentary Canal: The alimentary canal is a long muscular tube running through the body from end to end. It begins anteriorly in the mouth and ends posteriorly at the cloacal aperture. The tube is swollen [...]
In this article we will discuss about the excretory system in toad with diagram. Also learn about: 1. Structure of Kidney in Toad 2. Mechanism of Urine Formation in Toad. Various substances are manufactured within a toad's body during its routine metabolic activities. Some of these are of no use and may cause harm if they are retained for a [...]