Of the body’s six hundred muscles, the hardest to keep in shape is the heart.
Doogie Howser’s Personal Journal, November 17, 1990. (episode “Nautilus for Naught”)
Of the body’s six hundred muscles, the hardest to keep in shape is the heart.
Doogie Howser’s Personal Journal, November 17, 1990. (episode “Nautilus for Naught”)