<span>Epiglottis is the answer.</span>
Stand up and hold a book or other object in your hand. Flex your bicep muscle and lift up the lower part of the arm that is holding the object. --> lever
Next, pretend you are kicking a ball by making a kicking motion with your leg. --> lever
Finally, sit on the edge of your chair and bring both legs up and hold them parallel to the floor and then bend them back down again. --> lever
<span>Chiropractors treat only bone and joint disorders :
-false
</span>
