If you cut your knee, pus, which is caused by the death of macrophages may form.
Plants use carbon dioxide to breathe basically and then that converts to photosynthesis witch gives them nutrients. And then they release oxygen which humans consume to breathe in then we release carbon dioxide and the circle goes on and on
Answer:
organisms that have a nucleus
Explanation:
eukaryotes have nucleus.
I believe that it's an exhausted bear. Cellular respiration is the way plants and animals receive energy. If the bear is exhausted, it means it's cellular respiration is lacking.
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