Qon tarkibidagi ... gumoral yol bilan nafas markaziga ta’sir etib, naf

A) adrenalin miqdorining kopayishi yoki kamayishi
B) somatotrop gormonining kopayishi yoki kamayishi
C) eritrotsit miqdorining kopayishi yoki kamayishi
D) C02 miqdorining kopayishi yoki kamayishi
E) 02 miqdorining normada bolishi