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Red blood cells (also referred to as erythrocytes) are the most common type of blood cell and the vertebrate organism's principal means of delivering oxygen (O2) to the body tissues via the blood flow through the circulatory system. They take up oxygen in the lungs or gills and release it while squeezing through the body's capillaries.

These cells' cytoplasm is rich in hemoglobin, an iron-containing biomolecule that can bind oxygen and is responsible for the blood's red color.

In humans, mature red blood cells are flexible biconcave disks that lack a cell nucleus and most organelles. 2.4 million new erythrocytes are produced per second.[1] The cells develop in the bone marrow and circulate for about 100-120 days in the body before their components are recycled by macrophages. Each circulation takes about 20 seconds. Approximately a quarter of the cells in the human body are red blood cells.

Red blood cells are also known as RBCs, red blood corpuscles (an archaic term), haematids, erythroid cells or erythrocytes (from Greek erythros for "red" and kytos for "hollow", with cyte translated as "cell" in modern usage). Packed red blood cells, which are made from whole blood with the plasma removed, are used in transfusion medicine

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โˆ™ 2011-10-17 02:14:16
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Q: Red blood cells do what in the body?
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Related Questions

There are many more white blood cells than red blood cells in your body?

No there are more red blood cells than white blood cells in the body.


Does red blood cells carry oxygen to the rest of the body?

Red blood cells do carry oxygen to the rest of the body. Red blood cells also carry iron through the body.


Why does blood have red blood cells?

We have two types of blood cells white blood cells and red blood cells they both go threw our body. Red blood cells do many things they carry things around in our body and white blood cells kill germs or viruses that get in our body.


Why does your body need red blood cells and white blood cells?

Red blood cells carry oxygen to the cells in your body while the white blood cells fight diseases.


Does every part of the body have red blood cells?

As the name says, red blood cells are found in the blood. If there is blood there, there is red blood cells.


How do red blood cells help?

Red blood cells carry oxygen to the body cells.


What cells are the most numerous?

Red blood cells. There is about 50% of red blood cells in our body.


Where is the red blood cells in the body?

Red blood cells are located every where in your body goes through body delivering oxygen to other cells


The percentage of red blood cells in your body?

Out of all the cells in your body, the red blood cells take up about a quarter, 25%.


How many red blood cells are there in a human body?

when were red blood cells discovered


Where are red blood cells stored in the body?

The Red Blood Cells are stored in the spleen


What are facts about the red blood cells?

red blood cells are tiny things in your body


What cells have hemoglobin in the body?

Red blood cells. They give red colour to your blood.


Which type of blood cells carries hemoglobin for transporting oxygen through the body?

Red blood cells. You have about 25 trillion red blood cells in your body.


What does the red cells do in the blood?

red blood cells carry oxygen and nutrients to all the cells in your body


How are red blood cells unique?

Red blood cells are the only cells in the body that lack a nucleus.


How many red blood cells are there?

You have 100 trillion cells in your body. You have 25 trillion red blood cells in your blood.


Where are the red blood cells in the body?

in your blood


Were in the body are the red blood cells?

In your blood.


What are the functions of red blood cells and white blood cells in the human body?

Red Blood Cells: Transports Oxygen around the body.White Blood Cells: Fighting and prevention of diseases.


What happened if you had insufficient red blood cells?

If you had insufficient red blood cells, your body would not get the oxygen that it needs. This is because red blood cells are what carries oxygen around the body.


Which blood cells are most numerous in the body?

The most numerous blood cells in the human body are red blood cells.


What do the red blood cells and the white blood cells do to the body?

Small and red, rich in haemoglobin, carry oxygenated blood to tissues of the body


Does your body produce red blood cells?

Your body produces red blood cells constantly. This process takes place in the red marrow.


What carries blood to the body cells?

Alot of red blood cells and white blood cells are your blood.