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The spleen is the site of destruction of old or damaged red blood cells. The liver recycles the hemoglobin and stores the iron.
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What destroys damaged or old cells?
The spleen is the site of destruction of old or damaged red blood cells. The liver recycles the hemoglobin and stores the iron.
Where are worn out or damaged red blood cells removed from the circulation?
The spleen removes old red blood cells. It breaks down the erythrocytes and recycles the hemoglobin, sending the heme portion to the liver for storage and recycling. The spleen also filters bacteria from the blood.
What is Apoptosis and what role does it play?
Apoptosis is when cells destroy themselves. This is done for two main reasons:To destroy cells which are a risk to the organism, such as cells with viruses.It is important in normal development, such as shedding the lining of the uterus (menstruation).
Building new cells requires energy and?
Building new cells requires energy and old cells. They use the old cells that have become worn out or damaged.
What organelle helps to destroy old or dying cells with its digestive enzymes?
lysosomes
Why do cells divide as an organism grows?
So that old or damaged cells can be replaced, and that new cells can form, which increases the size and strength of an organism.
Why does the cell replication?
Organisms need to produce new cells because the old ones can be damaged or die of old age.
Why does the cell cycle occur?
So you can grow. It also helps repair damaged or old cells.
What does the white blood cells do in the human body?
The White Blood CellsWhite blood cells fight disease, kill bacteria, combat allergic reactions, destroy old and/or damaged cells, kill invalid organisms, and are attracted to the immune system. They work together to surround bacteria completely, digesting bacteria with digestive enzymes
What happens if the receptors of the plasma membrane are damaged?
When the receptors of the plasma membrane in a cell are damaged the cell with typically die. In humans this is no cause for alarm as new cells are created daily while old cells die off.
Where is the old red blood cells destroyed?
Red blood cells have a life span of about 120 days. They are formed in the bone marrow and destroyed by the reticuloendothelial cells present in spleen, liver, lymph nodes, brain, the heart or even in the muscles. Spleen is the major site of their destruction.
Does the spleen contain erythrocytes?
The aged red cells self destruct in the spleen , where they squeeze through the red pulp of the spleen. When the spleen is removed, the number of abnormal red cells and old cells circulating in the blood increases considerably.
