Contents

The blood in pulmonary circulation is…….… pressure than the blood in systemic circulation.
a) higher                                               
b) lower
c) equal                                 
d) all of these


b

Due to higher pressure in systemic circulation, blood can reach the……….……...
a) whole body parts          
b) lungs
c) left atrium                        
d) pulmonary artery


a

Gaseous exchange takes place in ……
a) whole body                     
b) lungs
c) left atrium                        
d) kidney

b

Cardiac Cycle/Heart Beat:



How many contraction and relaxation form a cardiac cycle?
a) one    
b) two                    
c) three
d) many


a

Contraction of heart is termed as……
a) diastole                                            
b) systole
c) pulse                                  “
d) heart beat


b