4. Inside out cells
2. Pneumonia
3. Carbon dioxide
4. Industrial production
There important because some diseases cant be seen unless they test blood or pee, that type of test can give 100% if your sick or have an infection, there impotant in order to see if your pee is normal or not .
Well,if your health is bad it well mess you up in the future and you won't be able to do anything any more
Answer:
i do but i will not just hand it out
Explanation: