The kidneys secrete erythropoietin to stimulate red blood cell production and calcitriol to regulate calcium levels in the blood.
Erythropoietin (EPO) is a hormone secreted by the kidneys that stimulates the production of red blood cells in response to low oxygen levels. This process enhances oxygen delivery throughout the body. Additionally, calcitriol is released by the kidneys to regulate calcium levels in the blood.
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