Which of the following is not a function of the circulatory system?
1. breaks down large molecules
2. delivers oxygen to body cells
3. takes carbon dioxide away from body cells
4. fights infection

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602