Biology, 14.07.2019 02:30 deandrehudson18
Cells need oxygen to make energy. oxygen-rich blood is transported to tissues. when the oxygen is dropped off, it needs to move through structures that are small and thin. which vessels allow for oxygen movement into the tissues? arteries veins heart capillaries
Answers: 2
Biology, 22.06.2019 16:00
Produce proteins by following coded instructions that come from the nucleus of the cell.
Answers: 3
Biology, 23.06.2019 00:30
Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)
Answers: 2
Biology, 23.06.2019 05:30
Plants use the energy from the sun to convert a) water into sugar. b) carbon dioxide into sugar. eliminate c) carbon dioxide into water. d) oxygen into carbon dioxide.
Answers: 1
Biology, 23.06.2019 06:30
Evolution acts upon the population of organisms and not on each individual organism true false
Answers: 1
Cells need oxygen to make energy. oxygen-rich blood is transported to tissues. when the oxygen is dr...
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