Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Plasmodesmata connect to cytoplasms in the plant cell.

Answer: What do plasmodesmata connect to in the plant cell?


Question: Pyramid ecosystem is used to show energy flow through the trophic levels.

Answer: What is used to show energy flow through the trophic levels?


Question: The normal response of the respiratory system to elevated ph is to increase the amount of co2 in the blood.

Answer:
The normal response of the respiratory system to elevated ph is to increase the amount of what in the blood?