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when respiration occurs within cells, carbon dioxide is released as was…

Question

when respiration occurs within cells, carbon dioxide is released as waste. which system transports carbon dioxide for removal from the body?
o a. immune system
o b. digestive system
o c. excretory system
o d. cardiovascular system

Explanation:

Brief Explanations
  • 免疫系统(immune system)主要功能是抵御病原体入侵等,与运输二氧化碳无关。
  • 消化系统(digestive system)负责食物的消化和营养吸收,不运输二氧化碳。
  • 排泄系统(excretory system)主要处理如尿液等代谢废物,二氧化碳主要靠心血管系统运输。
  • 心血管系统(cardiovascular system)中的血液可以运输二氧化碳,将其从组织细胞运输到肺部排出体外。

Answer:

D. cardiovascular system