![]() It is present in the upper part of the body. The heart has three chambers and is made up of muscle tissue. Lymph, lymph nodes and channels make up the lymphatic system. The different organs present in this organ system are the heart, blood vessels, and blood. A closed circulatory system is seen in frogs. In fact, just like humans, frogs also have a lymphatic system. The circulatory system of a frog is very well developed. In many ways, the functioning of the digestive system of a frog is similar to the human digestive system.ĭigestive System (Source – Pinterest) Blood Vascular System Any undigested food waste goes into the rectum and is passed out through the cloaca. The food is broken down into simpler substances and in the intestine, it is absorbed and assimilated. The liver secretes bile and the pancreas secrete the pancreatic juices.įood is digested in the stomach by the action of HCL and other gastric juices that are secreted. Liver and gallbladder organs are also present along with the pancreas. ![]() The rectum opens through an opening called the cloaca. It leads to the intestine and the rectum. This tube-like oesophagus opens into the stomach. The mouth opens into the pharynx and oesophagus. The mouth that is present on the head opens into the buccal cavity that has the sticky tongue which is bi-lobed. The alimentary canal of the frog is not long, but it is short. It is well developed and has the alimentary canal and digestive glands. You can download Structural Organisation in Animals Cheat Sheet by clicking on the download button below Let us know more about these organ systems. All the organs and organ systems are well developed with specific functions. Inside the body cavity of a frog, there are many organ systems present such as the circulatory system, digestive system, respiratory system, nervous system, excretory system, and reproductive system. ![]() Browse more Topics under Structural Organisation In Animals Sexual dimorphism is seen in frogs, with the male species having vocal sacs and copulatory pad. They help in walking, swimming, leaping as well as burrowing. On the sides of the eyes, a membranous tympanum (ear) is present that receives the sound signals.Ī frog has two forelimbs and two hind limbs. The eyes of a frog have a nictitating membrane that gives protection when the frog is in water. The head of a frog is triangular in shape with a blunt snout. It is dark green in color with irregular spots on the dorsal side, while in the ventral side it is pale yellow in color. The skin of the frog has the ability to absorb water. The skin of the frog has mucus, which makes the skin moist, smooth and slippery. The body of the frog is divisible into head and trunk. The frog is a chordate, showing the characteristics of the Phylum Chordata. The common Indian frog goes by the scientific name, Rana tigrina. ![]() A frog goes into summer sleep called aestivation and winter sleep called hibernation, to escape the peak summer and winter conditions. They can be found only in freshwater habitat. The habitat of a frog is quite varied and can be found all over the world, except maybe, of course, the Antarctic region. So, when it is very cold, they lay in the sun to get warmer and when it is very hot, they get into the water bodies to cool themselves. The body temperature is not constant and varies according to their surrounding environment. When these tadpoles fully develop they begin to live on land.Ī frog is a poikilotherm, which means that it is a cold-blooded animal. From the eggs, tadpoles emerge, which also live in water. Their lives begin in water when they are eggs. Frogs are amphibians, they can live both on land and in water.
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