diamond=carbon and its comp.
water=oxygen and its comp.
carbohydrates=carbon and its comp.
ozone=oxygen and its comp.
ethane=carbon and its comp.
Hope my answer helps! :)
Substitution i believe. There’s nothing deleted
Answer:
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. ... While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine.