Question

How do frogs survive with small lungs?

Answer 1

When the frog is out of the water, mucus glands in the skin keep the frogmoist, which helps absorb dissolved oxygen from the air. A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.

Answer 2

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✔✔ While completely submerged all of the frog's repiration takes place through the skin.

✔✔ The skin is composed of thin membranous tissue that is quite permeable to water and contains a large network of blood vessels.

✔✔ The thin membranous skin is allows the respiratory gases to readily diffuse directly down their gradients between the blood vessels and the surroundings.

✔✔ When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air.

✔✔ A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.

✔✔ The mechanism of taking air into the lungs is however sligthly different than in humans.

✔✔ Frogs do not have ribs nor a diaphragm, which in humans helps serve in expand the chest and thereby decreasing the pressure in the lungs allowing outside air to flow in.



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