If i'm not mistaken i believe it would be a peer review.hope this helps
For question 3, it would not leak through the whole sandwich because the cell membrane is thick
Answer:
Oxygen
Explanation:
A waste product of photosynthesis organisms need for cellular respiration is oxygen. We breathe out carbon dioxide and plants use carbon dioxide during photosynthesis and in return they give us oxygen which is their waste product.
Your blood would not be oxygenated so cells and tissues and muscles wouldn't receive any oxygen