Respiratory centre in medulla is directly affected by: Respiratory System Physiology Mcqs January 10, 2020 BILAL KHATTAK0 A.Venous blood entering it B.Arterial blood entering it C.Venous blood leaving it D.Arterial blood leaving it Related Mcqs: By which of the following the medullary respiratory centre is affected directly: Peculiarity of fish heart is that it has: Which of these factors influence our respiratory centre: An ideal plate is defined as one where I saw him leaving the house. The first law of thermodynamics, for steady flow Blood pressure is the force which: Blood vessel leaving glomerulus in a mammalian nephron is called: Which of the following nerves originates from medulla: The centre of gravity of a plane lamina will not be at its geometrical centre if it is a