The following points highlight the three main parts of toad’s nervous system (With Diagrams). The parts are: 1. The Central Nervous System 2. The Peripheral Nervous System 3. The Autonomic Nervous System. Part # 1. The Central Nervous System: This is composed of a hollow median tube, the anterior enlarged part of which is known as the brain and the [...]
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 [...]