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
Chloroplastst capture energy from the sun to help survive by collecting the energy to be used to convert into glucose, which is food for the plant. The process in chich this sunlight is turned into glucose is called “photosynthesis”.
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D. skeletal muscle and cardiac muscle