The lub-dub sound of the heart is produced by the closing of these

Below you can find the The lub-dub sound of the heart is produced by the closing of these Jeopardy Words Answer. The answer to The lub-dub sound of the heart is produced by the closing of these has 6 letters. This clue belongs to the The heart category and is part of Jeopardy Word Level 1842. If you scroll near the bottom you will find other clues and answers part of level 1842