Search: adam's apple
Why: Jon Favreau bruised his when he tried to become the Ultimate Fighting Champion. During a really boring meeting today, I stared at Reggie's for like 4 full minutes.
Answer: It's the larynx! Both boys' and girls' grow during puberty, but girls' don't stick out as much. According to KidsHealth:
Most girls don't have Adam's apples, but some do. It's no big deal either way.Yeahok.
The larger larynx gives boys deeper voices (and makes them crack), and girls' voices get deeper as their larynxes get larger, too. Because boys' larynxes grow so much more, it makes their voices deeper than girls' voices.
Source: KidsHealth.org
The More You Know: The larynx is made of thyroid cartilage .
The laryngeal prominence is usually more prominent in adult males because the thyroid cartilage elongates during puberty, protruding out the front of the neck more noticeably. The result is that the two laminae (thin cartilage) of the thyroid cartilage that form the protrusion meet at an average angle of 90° in males, and 120° in females, so there is less cartilage protruding out in females.
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