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The left side of the heart receives oxygenated blood from lungs and sends it into…..
a) lungs 
b) head                 
c) liver   
d) body

d

Human heart works as……..pump.
a) single                                
b) double
c) triple                                  
d) quadruple

b

The right atrium of the heart receives deoxygenated blood from………….
a) lungs                                 
b) whole body
c) liver                                   
d) head

b

The right atrium of the heart receives deoxygenated blood from the whole body through…….
a) aorta                             
b) vena cava
c) pulmonary vein                        
d) pulmonary artery

b

The right atrium of the heart receives deoxygenated blood from the whole body through vena cava and pumps into…………….
a) whole body                     
b) lungs
c) right ventricle                
d) pulmonary artery

c

The right ventricle receives deoxygenated blood from right atrium through……
a) bicuspid valve                
b) tricuspid valve
c) semilunar valve                              
d) cardiac sphincter

b