What system in your body removes waste

Jacob plans to make reuben sandwiches for all his friends who are coming over to his house on a saturday evening. he is shopping for ingredients that would be required for the sandwiches. which type of bread should jacob ideally buy? a. white bread b. whole wheat bread c. sourdough bread d. ciabatta bread e. rye bread

How can a person  best  reduce the risk of injuries on the road?  

The heart and lung are located in which cavity ? thoracic