Examlex
We can determine the 3-dimensional shape of any individual elliptical galaxy by photographing it.
Antigens
Substances that the immune system recognizes as foreign or dangerous, triggering an immune response.
Chromosomes
Structures within cells that contain DNA and genetic information critical for reproduction, functioning, and growth.
Red Blood Cells
Cells in the blood that carry oxygen from the lungs to all parts of the body and return carbon dioxide to the lungs for exhalation.
Transporting Oxygen
The primary function of the respiratory and circulatory systems, allowing oxygen to be inhaled into the lungs, carried by red blood cells, and delivered to tissue.
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