Amphibians Breathe With Lungs
All reptiles breathe through their lungs.
Amphibians breathe with lungs. They are cold-blooded creatures that rely on their surroundings for warmth and are found in most parts of the world. Tadpoles and some aquatic amphibians have gills like fish that they use to breathe. By the time the amphibian is an adult it usually has lungs not gills.
A frog may also breathe much like a human by taking air in through their nostrils and down into their lungs. Ventilation is accomplished by buccal pumping. One example of an amphibian is a frog.
The reptiles lung has a much greater surface area for the exchange of gases than the lungs of amphibians. Most start life with gills but later develop lungs for breathing. Amphibians may breathe with lungs gills or through their skin.
The lungs of amphibians are simple saclike structures that internally lack the complex spongy appearance of the lungs of birds and mammals. No matter how big or small the mammal is they always use their lungs to inhale oxygen and exhale carbon dioxide. Amphibians breathe with lungs.
Amphibians have gills when they are young or they breathe through their skin. Amphibians are the first true vertebrates with four limbs. But as a baby amphibian grows up it undergoes metamorphosis a dramatic body change.
Larval amphibians use _ and _ to breathe. The other means of breathing for amphibians is diffusion across the skin. While oxygen is plentiful in the air 200000 parts per million it is considerably less accessible in water 15 parts per million in cool flowing water.