Question

fill in the blank question the hormone erythropoietin (epo) controls the rate of red blood cell formation through feedback mechanisms. need help? review these concept resources.

Explanation:

Erythropoietin (EPO) maintains red - blood - cell homeostasis by negative feedback. When oxygen levels are low, EPO is released to stimulate red blood cell production. As red blood cell levels rise and oxygen delivery improves, EPO production decreases.

Answer:

negative