What are the parts and function external anatomy of the frog?
Table of Contents
What are the parts and function external anatomy of the frog?
The external anatomy includes both the dorsal and ventral sides, forelimbs and powerful hind limbs for swimming. The head contains dorsal eyes for sight and tympanic membranes for hearing. The internal anatomy can be divided into body systems.
What is the physical description of a frog?
In general, frogs have protruding eyes, no tail, and strong, webbed hind feet that are adapted for leaping and swimming. They also possess smooth, moist skins. Many are predominantly aquatic, but some live on land, in burrows, or in trees. A number depart from the typical form.
What holds the internal organs in place in a frog?
The membrane that holds the coils of small intestine together is called the mesentery.
What are external features of frog?
An adult frog has a stout body which is differentiated into head and trunk. Other external features are a pair of nostrils, protruding eyes, a membranous tympanum (ear), slippery/warty moist skin and webbed limbs.
What is the largest internal organ of the frog?
You can see that the model frog has a very big liver, in fact it is the largest organ in a frog. Attached to it is a smaller green “ball”. This is the gall bladder. The liver plays an important part in the digestion process of a frog.
How many organs does a frog have?
Frogs and humans share the same basic organs. Both have lungs, kidneys, a stomach, a heart, a brain, a liver, a spleen, a small intestine and a large intestine, a pancreas, a gall bladder, a urinary bladder and a ureter. Males and females of each species have testes and ovaries respectively.
What is the structure of a frogs mouth?
The frog has two sets of teeth. The vomerine teeth are found on the roof of the mouth. The maxillary teeth are found around the edge of the mouth. Both are used for holding prey, frogs swallow their meals whole and do NOT chew.
What are the 3 lobes of the liver in a frog called?
Liver—The largest structure of the body cavity. This brown colored organ is composed of three lobes. The right lobe, the left anterior lobe, and the left posterior lobe.
What does the inside of a frog’s stomach look like?
Stomach. Curving below the liver is the stomach; it looks like a large whitish tube. After identifying the other organs, you can open the stomach and see what the frog ate. (Frogs swallow their food whole.)
What is the largest internal organ in the frog?
Which structure is found in heart and brain of frog?
Answer. The frog heart has 3 chambers: two atria and a single ventricle. The atrium receives deoxygenated blood from the blood vessels (veins) that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin (which also serves as a gas exchange organ in most amphibians).
What is the function of the teeth of the frog?
Frogs are carnivores, so they need teeth to help them grip larger prey. Frogs do not use their teeth for chewing, but for gripping the food. Therefore they have teeth only in their upper jaw.
What is digestive system in frog?
The digestive system of frog mainly includes the alimentary canal and the digestive glands. In the alimentary canal the processes of mastication, digestion and absorption take place, while the digestive glands secrete certain enzymes which bring about the digestion of the ingested food.
Which is the function of kidney in frog?
– The function of the kidney of a frog is to excrete surplus water. Frogs often use their kidneys on the ground to replace excess water in the skin by evaporation. In vertebrates, there are three excretory glands. These are pronephros, mesonephros, and metanephros.