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A small sample of the great diversity of seed sizes and shapes.
a pocket mouse, Perognathus sp., a small granivor
Plant Cell Wall Structure
Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
Common skin signs are often evidence of an illness or disorder. A vesicle is a small fluid filled ...