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Respiration in Organisms › View

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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Anatomy - Cellular Respiration › View

What are the products of photosynthesis?

A. Carbon dioxide and water

B. Carbon dioxide and oxygen

C. Glucose and oxygen

D. Glucose and water

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