The development of frog is divided into two phases: 1. Pre-natal or Embryonic development · It is the development that takes place inside the egg or inside the womb of the mother up to the gastrula stage from the zygote. 2. Pos…
· Frog is unisexual. · Well-marked sexual dimorphism is seen. · Males can be differentiated from females by: More muscular upper limbs. Vocal sacs at the ventral surface of the head. Nuptial pads at the base of the index fing…
Lymphatic System · Lymph is formed by extravasation or filtration of blood from the arteriolar end of capillaries into the tissue spaces. · Similar in composition to plasma except for the absence of large molecular weight protein…
· Generally veins collect blood from different parts of the body to the heart. · However, there are some veins that before reaching the heart carry blood to some other organs where they form a network of capillaries. · These are …
· This system consists of blood vascular and lymphatic systems. · It is the closed type and represents single circulation due to the mixing of both pure and impure blood. A. Blood Vascular System · It includes the heart and…