1.

Blood from the lungs comes into:(a) Right atrium(c) Right ventricle(b) Left atrium(d) Left ventricle

Answer»

Answer : b) Left atriumExplanation :Blood entersthe heart through two large veins, the inferior and superior vena cava, emptying oxygen-poorbloodfrom the bodyintothe right atrium. The pulmonary vein empties oxygen-richblood, from thelungs intothe left atrium.



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