Multiple choice

Which of the following structures helps in the production of sound in human beings?

  1. Tracheal rings

  2. Alveoli

  3. Adam's apple

  4. Vocal cords
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vocal cords are structures in the larynx which are designed to vibrate when air passes by, producing sound. These structures allow people to speak, and they also help to protect the lungs from accidental inhalation of food, saliva, and mucus. 

Keep practicing — related questions