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CHANGES WITH AGING - BLOOD SUPPLY

 

 

Changes In Bone Marrow With Age

Cell restorative capacity affects the number, size, and haemoglobin concentration. This remains largely unchanged throughout life. The amount of active bone marrow diminishes and marrow fat increases.


Changes In Red Blood Cells With Age

The average life span of red blood cells remains constant at about 120 days, although these cells may be more fragile. The blood volume is also usually well maintained throughout old age.

Red Blood Cells


Changes In White Blood Cells With Age

The number of white blood cells and platelets remain unchanged, and the white blood cells continue to be effective in fighting off bacteria. Anaemia in older people is not caused by age. It is most frequently due to malnutrition, blood loss, or a malignancy.

NEXT: Immune System


 


 
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