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Hemoglobin Molecules

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6mo ago

Mature red blood cells in the circulating blood are filled with hemoglobin, a protein that carries oxygen from the lungs to all parts of the body.

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Q: Mature red blood cells in the circulating blood are filled with what?
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Can a mature red blood cell divide?

No, mature red blood cells do not have a nucleus or organelles required for cell division. They are produced in the bone marrow from stem cells but lose their nucleus during development, making them unable to divide.


In which organ of the human body are the lymphocyte cells formed?

Lymphocyte cells are primarily formed in the bone marrow, then they mature in the thymus gland before circulating in the blood and lymphatic system throughout the body to perform their immune functions.


Where does hematopoiesis produce new red blood cells?

Hematopoiesis occurs primarily in the bone marrow, where stem cells differentiate and mature into various blood cell types, including red blood cells. This process involves the production of new red blood cells through a series of steps that ultimately leads to the release of mature red blood cells into the bloodstream.


What is the difference between NRBCs and Reticuloytes?

NRBCs (nucleated red blood cells) are immature red blood cells that still contain a nucleus, typically seen in the blood of infants or in certain medical conditions. Reticulocytes are also immature red blood cells, but they have lost their nucleus. Reticulocytes are released from the bone marrow into the bloodstream to eventually mature into erythrocytes (mature red blood cells).


Can spleen destroy normal RBC's?

Yes, in certain conditions such as autoimmune hemolytic anemia, the spleen may mistakenly destroy normal red blood cells. This can result in a decreased number of circulating red blood cells and lead to anemia.

Related questions

Mature red blood cells have two nuclei?

red blood cells gradually become filled with hemoglobin, their nuclei and other organelles are forced out. Thus, mature red blood cells do not have nuclei.


Does the mature red blood cell have two nuclei?

As red blood cells gradually become filled with hemoglobin, their nuclei and other organelles are forced out. Thus, mature red blood cells do not have nuclei.


What are mature red blood cells filled with?

Mostly hemoglobin, which give blood its red color. The red blood cells also help carry oxygen throughout the body.


Do mature erythrocytes contain hemoglobin in their cytoplasm?

Yes, mature erythrocytes are still cells and are still living. In most mammals the circulating red blood cells do not have nuclei, so they are unable to repair themselves when damaged and eventually die due to the accumulated damage.


What transports nutrients to body cells?

The circulating blood


Foreign object circulating in the blood is?

An embolus is a foreign object, such as a blood clot or bit of tissue or tumor, that is circulating in the blood.


Which type of blood cell is responsible for gas exchange in the circulating blood?

red blood cells


Does a nucleus lack mature red blood cells?

It is actually the other way around - mature red blood cells lack a nucleus.


Does the spleen produce mature t-cells?

No, the spleen does not produce mature T-cells. T-cells mature in the thymus gland, not in the spleen. The spleen's main role is in filtering blood, storing red blood cells, and acting as a reservoir for immune cells.


Where do B lymphocyte cells mature?

In blood


Does mature red blood cells have chromosomes?

No, mature red blood cells do not have a nucleus or any DNA, including chromosomes. They eject their nucleus as part of the maturation process to make more space for hemoglobin, the oxygen-carrying protein in red blood cells.


Does red blood cells contain nuclei?

Red cells, at one time contained nuclei; however, when circulating in your blood stream, they do not.