The Atria Are the Heart's Entryways for Blood
The left atrium and right atrium are the two upper chambers of the heart. The left atrium receives oxygenated blood from the lungs. The right atrium receives deoxygenated blood returning from other parts of the body.
The heart
Answer:
Because you could be wrong.
Explanation:
if you mess up one thing it can mess up the entire project or experiment.
to examine or explain things
Answer:
How plants work and about plants, so agriculture?
Explanation:
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