Your voice sounds nothing like it used to when you were little you sounded like a kid and now you sound like an adult and you’ll probably sound different many years from now as we age, our bodies undergo some major changes among them is our voice. So how exactly does our voice box work, and what causes these shifts in speech?

The specific sound of a speaking voice is the result of many anatomical variables, but it’s mostly determined by the age and health of our vocal cords and the size of our larynxes. The larynx is a complex system of muscle and cartilage that supports and moves the vocal cords, or, as they’re more accurately known, the vocal folds. Strung between the thyroid and arytenoid cartilages, these two muscles form an elastic curtain that opens and shuts across the trachea, the tube that carries air through the throat. For more exciting stuff please subscribe to our Facebook Page.

Best Larynx GIFs | Gfycat

The folds are apart when we’re breathing, but when we speak, they slam shut. Our lungs push air against the closed folds, blowing them open and vibrating the tissue to produce sound. Unlike the deliberate focus required for playing an external instrument, we effortlessly change notes as we speak. By pushing air faster or slower, we change the frequency and amplitude of these vibrations, which respectively translate to the pitch and volume of our voices.

An aging vocal mechanism.

The most common cause of a voice change later in life is the aging of the voice box and the respiratory system that powers the voice. Aging may bring a loss of flexibility. The joints of the larynx may become stiff, and its cartilage may calcify. The vocal cords may lose muscle tone, flexibility, and elasticity, and dry out. Sometimes, the muscles of the larynx can atrophy, become thinner and weaker. Your ribs may become more calcified. Your torso may shrink, and your lungs may become smaller, stiffer, and less pliable.

Adams Apple in Male

Adam’s apple is basically a protruding chunk of the thyroid cartilage. That surrounds our larynx or voice box. It is more prominent in men because during puberty. The larynx tends to grow more in males than it does in females. Causing the cartilage to project outwards, thus creating Adam’s apple. Note that, this increase in the size of the larynx is what makes the men’s voice deeper. For more exciting stuff please subscribe to our Facebook Page

But, what’s the need for deeper voices? Deeper voices allow men to appear more intimidating and dominant. Thus scaring their opponent away. Now, let’s see how this deep voice is produced. As the size of the larynx is increased in males. The vocal folds present within, lengthen and thicken. Hence, when males speak, the folds vibrate less per second. Thus producing a deeper voice. For more exciting stuff please subscribe to our Facebook Page



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