3. Figure 10-1 depicts in incomplete form the erythropoietin mechanism for regu- lating the rate of crythropoiesis. Complete the statements that have answer blanks, and then choose colors (other than yellow) for the color-coding circles and corresponding structures on the diagram. Color all arrows on the diagram yellow. Finally, indicate the normal life span of erythrocytes. Kidney Red bone marrow O RBCS Chapter 10 Blood 169 Normal blood O, levels Stimulus: Decreased available to blood due to decreased RBC count or increased tissue demands for O, Increased carrying ability of blood Resulting in Increased Declining levels in blood

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Tissue regeneration & repair

Tissue regeneration involves the restoration of tissue components by regrowth of damaged tissues. In contrast, tissue repair involves patching of injured tissue rather than restoring it. It is the proliferative capacity of the cells that decides the amount of regeneration against the repair that would occur in the tissue. Both regeneration and repair depending on the duration of the injury and response to the inflammation.