Insulin is released into the blood when oxygen levels are low and blood glucose levels are high
G1. (G stands for gap.)
The cells makes needed proteins for the process.
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When the meteor hit a caused a chain reaction which caused all that and made some cloud that was toxic.
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Answer:
d. consumers, heterotrophs
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Answer:
Veins are blood vessels in humans, and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.
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