Answer:
The Digestive System absorbs nutrients from food and delivers them to the bloodstream, where the Circulatory System transports them to their destination. Filters waste from meals and transports it through the intestines and out of the body.
Explanation: Answer above
Converting solar energy does not affect the earth system
When an enzyme exceeds the typical human body temperature, the enzyme's structure can denature and change - therefore the enzyme won't function properly.
Lack of antibodies because thats the stuff to fight things away
