D. Differentiate between the following.
1. RBC and WBC
2. Artery and vein
3. Atria and ventricles
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- Red blood cells carry oxygenated blood to the body and expels CO2 through the alveoli in the lungs. White blood cells help fight viruses and pathogens; platelets help blood to clot in order to stop blood from gushing out of a cut or injury.
- Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
- The atria stand for the upper chambers of the heart, while the ventricles are the lower chambers. 2. Atria act as receptors of deoxygenated blood, while ventricles receive blood from the left atria and force it into the aorta.
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