Question

ऊंचाई वाले स्थान पर मानव शरीर के लाल रक्त का आकार बढ़ेगा या संख्या बढ़ेगा

Answer 1

Answer: only number will increase not size.

Explanation:

As we go from low altitude to high altitude ,partial pressure of oxygen start decreasing that is less oxygen is available to lungs .Inorder to compensate this unavailability of oxygen,our body leads to release a harmone erythropoietin from kidney.Erythropoitin stimulate bone marrow to synthesise more red blood cells i.e erythropoiesis.