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 [...]
In this article we will discuss about the muscular system of toad. This will also help you to draw the structure and diagram of skeletal muscles of toad. It has already been pointed out that the muscular system is composed of muscles which are used for movements. There are two kinds of muscles: (i) The voluntary muscles, which can be [...]
In this article we will discuss about the external features and body wall of toad. External Features of a Toad: The body of a toad is divisible into head, trunk and limbs. Head and trunk are not separated by a flexible neck; this condition is very suitable for aquatic (aqua = water) life. The adult has no tail. The toad [...]