★ Respiration in Organisms Quiz
How does oxygen enter the bloodstream?
A. Oxygen enters the bloodstream via the stomach.
B. Oxygen enters the bloodstream through the alveoli in the lungs.
C. Oxygen is absorbed through the skin.
D. Oxygen is transported by red blood cells from the liver.
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What are the two main types of respiration?
A. Aerobic respiration and anaerobic respiration
B. Oxidative phosphorylation and glycolysis
C. Photosynthesis and fermentation
D. Cellular respiration and combustion
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