it contain polyp and nodules
Vocal cord nodules and polyps are noncancerous growths on the vocal cords that affect the voice.
Your vocal chords are tense during the inhalation
i think vocal chords work when the flaps of the vocal chords are pushed together to make a noise, then your mouth forms it into words.
To prevent vocal nodules, one should practice good vocal hygiene, avoid straining the voice, stay hydrated, and seek professional help if experiencing vocal issues.
The most effective treatment for vocal nodules is typically voice therapy, which involves working with a speech-language pathologist to learn techniques to improve vocal habits and reduce strain on the vocal cords. In some cases, surgery may be necessary to remove the nodules.
Vocal Chords
Nodules usually only require voice therapy; less than 5% of nodules require surgery
Julie Andrews needed to have throat surgery because she needs to get the noncancerous nodules removed from her throat.
It just means don't stress your vocal chords, no yelling, screaming, or anything that might cause damage to your vocal chords.
Conure Parrots do not have vocal chords like a human. Conure Parrots have vocal folds in a structure called the syrinx, not in the laranyx like a humans does.
with their vocal chords