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What exist as small biconcave blood cells that lack a nucleus when they are mature and carry oxygen throughout the body?

Red blood cells or erythrocytes are small biconcave blood cells that lack a nucleus when they are mature and carry oxygen throughout the body. They lack the nucleus and most organelles in order to maximize room for hemoglobin. The cells are active for about 100â??120 days. New cells are made in the bone marrow.


What makes red blood cells red and able to transport oxygen?

It is the haemoglobin in the cells which allow them to carry oxygen and its also the reason they are red as haemoglobin is red.


What blood cells fight infection?

white and red both do the work but mostly the red blood cells because they carry oxygen


How do red blood cells travel?

the heart pumps all of the blood includingplasma (like water)lymph (immune system)white blood cells (fight invading cells)and red blood cells (carry oxygen)the red blood cells travel through theveins (to the heart)arteries (from the heart)capillaries (distribute oxygen to cells)


What characteristics of red blood cells help them perform their function?

Red blood cells (RBC) are roundly shaped and have an indent in the middle (like a donut) but no hole. The indent is to increase the surface area of the RBC, thus, making the RBC highly efficient. The function of a RBC is to carry oxygen and other needed nutrients to specific areas of the human body, also is certain parts of the body, carry waste from an area to the liver.