you answers t the questions are
4. without this system in the body you would get really sick because toxins and waste would build up B. excretory because this is what helps release the toxins.
5.your digestive system has three main functions digestion absorption and elimination in which organ does absorption begin C. small intestine because your food goes through her and then into your stomach
6.which disorder can be triggered by tobacco smoke mold or perfumes
D. asthma this is because the person with asthma may be allergic.
hope this helps