How do plants respire?
A. Plants respire by converting sunlight into energy without any gas exchange.
B. Plants do not respire; they only perform photosynthesis.
C. Plants respire by absorbing carbon dioxide and releasing oxygen during photosynthesis.
D. Plants respire by taking in oxygen and releasing carbon dioxide through cellular respiration.
Preview next quiz:
Explain the gas exchange mechanism in humans.
A. Gas exchange happens in the skin, allowing for breathing through pores.
B. Oxygen is released from the blood in the kidneys and carbon dioxide is absorbed.
C. Gas exchange in humans occurs in the alveoli of the lungs, where oxygen is absorbed into the blood and carbon dioxide is released.
D. Gas exchange occurs in the stomach where nutrients are absorbed.
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