Rib Cage Development & Testosterone
In males, expansion of the ribcage is caused by the effects of testosterone during puberty. Thus, males generally have broad shoulders and expanded chests, allowing them to inhale more air to supply their muscles with oxygen.
Read more about this topic: Human Rib Cage
Famous quotes containing the words rib, cage and/or development:
“Though shoulder, bosom, lip, and knee
Are praised in every kind of art,
Here is love’s true anatomy:
His rib is gone; he’ll have her heart.”
—John Hollander (b. 1929)
“Hollywood has always been a cage ... a cage to catch our dreams.”
—John Huston (1906–1987)
“And then ... he flung open the door of my compartment, and ushered in “Ma young and lovely lady!” I muttered to myself with some bitterness. “And this is, of course, the opening scene of Vol. I. She is the Heroine. And I am one of those subordinate characters that only turn up when needed for the development of her destiny, and whose final appearance is outside the church, waiting to greet the Happy Pair!””
—Lewis Carroll [Charles Lutwidge Dodgson] (1832–1898)