How does the muscular system humans maintain posture?
muscles continually align themselves v...
Biology, 24.12.2019 03:31 coolkitty35
How does the muscular system humans maintain posture?
muscles continually align themselves vertically to maintain posture.
muscles continually push bones to be straight.
muscles constantly contract and relax to fight gravity.
muscles constantly contract and relax to work with gravity.
Answers: 1
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The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane
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Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
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When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen
Answers: 1
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