No 5 help me

Dear Student,
 (a)SA Node          ​​​​​                        Pacemaker

(b)Defective haemoglobin         Sickle cell
 in RBC                                       Anemia

(c)Liquid squeezed                   Muscle fibre 
out of blood during               in heart 
clotting                                    Purkinje fibre

 (d)Never tires ,                                      
keep on contracting     
and relaxing                           Serum

(e)Cardiac                             Cardiac muscle
Cycle                                       0.85sec
(f)Liquid part 
of the blood 
without corpuscles              Plasma
Hope it helps

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its easy bro

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All are right
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1.c 2.d 3.e 4.b 5.f 6.g 7.a
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