quinteroalex2001
30.09.2019 •
Biology
Which best describes red blood cells? they are colorless. they protect against disease-carrying microorganisms. they transport oxygen throughout the body. they aid in blood clotting.
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Ответ:
Ответ:
They transport oxygen throughout the body.
Explanation:
Red blood cells or erythrocytes are the most common type of blood cells. These cells do not posses nucleus. The cytoplasm of these cells consists of hemoglobin which is an iron containing molecule. The iron component of hemoglobin combines with the oxygen atoms and helps in transportation of oxygen to all the parts of the body along with blood.
Ответ:
pls follow me
Explanation:
A star of one solar mass remains in main sequence for about 10 billion years, until all of the hydrogen has fused to form helium.