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Briefly explain how an accurate determination of Hubble constant has improved our understanding of cosmology.
Antibodies
Protein molecules produced by the immune system in response to antigens, which they specifically bind to neutralize or destroy.
Erythrocytes
Red blood cells, which carry oxygen from the lungs to the rest of the body and return carbon dioxide for exhalation.
Leukocytes
White blood cells that are part of the body's immune system, helping to fight infection and other diseases.
Hematocrit
The proportion of blood volume that is occupied by red blood cells, a key indicator of blood oxygen-carrying capacity.
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