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
Brain stem :) It controls all the things like breathing, heartbeat, body temp, blood pressure and alertness ^_^
Answer:
prokaryotes
Explanation:
these cells do not have membrane bound organelles. So basically Eukaryotas have a nucleus and prokaryotic do not.
