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CIRCULATORY SYSTEM

1. Heart is made up of 
ans  Cardiac muscle

2. ECG is used for the diagnosis of ailment of the
ans  heart

3. The first organ to be transplanted was
ans Heart

4. The first heart transplantation was done by
ans Dr. Christen Banard

5. The first successful heart transplant in india was performed by 
ans Dr Venugopal rao

6. The heart is covered by a membrane called
ans  pericardium

7. The wall of heart is made up of 
ans  epicardium, myicardium and endocardium

8. The most important function of heart is
ans  collect impure blood from veins and collect pure blood from lungs

9. The heart of human embryo starts beating 
ans  In the 6th week of its development

10. The chamber which receives the blood from body tissues are called
ans Auricles

11. The chamber of heart which pump blood to body tissues are called 
ans  Ventricles

12.  Impure blood from all parts of the body enters into the 
ans  right auricle

13. The number of chambers in a fish heart is 
ans  two 

14. The number of chambers in a amphibians heart and in a crocodile heart  is 
ans  3  in amphibians and 4 in crocodile

15. The number of chamber sin a reptilian heart  is 
ans   structurally three chambered but is functionally four chambered

16.  The average weight of heart is 
 ans  280-340 gm(in men ) and  230-280 gm( in women)

17.  A new born baby's heart weight about
ans  20 gm

18.  A medical instrument used for hearing and analyzing the sound of heart is called 
ans   stethoscope

19.  Which part of the human body can suffer a murmur( heart sound)
ans  heart

20. The rate of heart beat for a newly born baby is
ans   140 per minute

21. The hormone which causes an increase in heart beat is 
ans  adrenalin

22.  Heart attack occurs due to 
ans   lack of supply of  blood to the heart itself

23. The study of blood is called
ans   hematology

24. The scientist who explained about blood circulation for the first time was
ans  william harvey

25.  Amount of blood found in the body of man 
ans   7% of total body weight

26. Blood bank of human body is
ans  spleen

27.  Spleen is located in which system
ans  lymphatic system

28. The blood purification takes place in
ans lungs

29.  The blood filtration takes place in 
ans  kidney

30. Name the organs of human body that never rest
ans  heart and kidney

31.   The blood purification process occurring in human body is called
ans  Dialysis

32. Arteries are best defined as the vessels which carry blood away
ans  from the heart to different organs

33.  Blood pressure is the pressure exerted by blood on the walls
ans  Arteries

34. All arteries carry oxygenated blood except 
ans  pulmonary artery

35. which arteries carry impure blood 
ans  pulmonary artery

36.  Arteries supplying blood to the heart are called
ans  coronary arteries

37.  The blood vessel supplying blood to the kidney is 
ans  renal artery

38.  Name the smallest arteries in the human body 
ans   Arterioles




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