A. Tunica externa B. Tunica media C. Tunica intima D. None
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A. Right coromary artery B. Left anterior descending artery C. Left circumflex coronary artery D. Right circumflex coronary artery
A. Antitoxin B. Adrenalin C. Histamine D. Epinephrine
A. Narrow lumen B. Valves to control direction of flow of blood towards the heart C. Strong muscular walls D. Valves to control direction of flow of blood opposite to the heart
A. Thicker wall with no valves B. More blood cells with valves C. Impure blood only D. Carrying blood to various parts
A. Thin walled and blood flows under diminished pressure B. Thick walled and blood flows under high pressure C. Thin walled and blood flows under high pressure D. Thick walled and blood flows under diminished pressure
A. Supplies impure blood to kidneys B. Supplies oxygenated blood to brain C. Brings impure blood from the brain D. Supplies oxygenated blood to heart