Biology, 08.10.2019 23:30 brinleychristofferse
Why do blood vessels and lymph vessels have valves? to control the volume of blood and lymph to ensure blood and lymph flow back to the heart to regulate hormone release in blood and lymph to block the flow of harmful substances in blood and lymph
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Explain how scientists use geologic time to determine the age of landforms.
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If your blood becomes too concentrated with iona, what will happen to the red blood cells
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Why do blood vessels and lymph vessels have valves? to control the volume of blood and lymph to ens...
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