in a living world how frog produce sound
Answers
Answer:
Air from the lungs is channeled to the air sac, which resonates to make the sound louder. The larynx is larger and more developed in males, though not significantly different from females. Frogs produce two types of calls that most experiments tend to focus on, which are release calling and mating calling.
Answer:
In frogs and toads sound is produced when the nostrils are closed and air from the lungs is pushed over the vocal chords (in the larynx) and through the wind pipe (trachea) into the air sac (that sack below their chin that sometimes pokes out to the side and most often to the front). The air sac acts like a resonance chamber, which magnifies the sound and makes it louder. The glottis, or opening into and out of the lungs, modulates the net flow of air and the call production. You can think of it sort of like your lips, which can modulate air flow. Frogs can't pucker and blow, because they don't have lips per say, just bone covered by skin.
Frogs are one of the true circular breathers. When calling they can expand their air sacs using air from the lungs, and then the air can be forced from the air sac back into the lungs in a circular path. This allows them to croak continuously, even if they are under water. Check out this video of a green tree frog calling. You can see the lungs/body inflate, push air into the air sack, and so forth. Fresh air is brought in via the nostrils on the top of the frog's snout.