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Heart lacks sinus venosus in...

Heart lacks sinus venosus in

A

fishes

B

mammals

C

amphibians

D

echinoderms

Text Solution

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The correct Answer is:
B
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Explore conceptually related problems

What is sinus venosus?

Three chambered heart with sinus venosus, moist skin without scale and tympanum represents ear, are characteristics feature of :

[A] : in amphibians heart is two chambered. [R]: The oxygenated blood is returned to the heart through sinus venosus.

A: In frog, sinus-venosus is present. R: In mammals and birds are remnant of sinus venosus has taken part in the formation of SA node.

What is correct about sinus venosus

Read the statements given below . I. Sinus venosus, specialised to receive venus blood is present in single circuit circulation. II. Sinus venosus is absent in amphibians Identify these statemetns as true or false

Sharks lack

Sinus venosus occurs on

ARIHANT NEET-BODY FLUID AND CIRCULATION-MEDICAL ENTRANCES GALLERY COLLECTION OF QUESTIONS ASKED IN NEET AND VARIOUS MEDICAL ENTRANCE EXAMS
  1. The blood does not clot inside the body because of

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  2. Lub sound produced by heart is caused by

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  3. Heart lacks sinus venosus in

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  4. The volume of blood that enters into the aorta with each ventricular ...

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  5. The frequency of heartbeat in our body is maintained by

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  6. The blood vessel which supplies oxygenated blood to cardiac tissue is

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  7. In a normal adult human, the average cardiac output is

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  8. The function of a vein is

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  9. Which one of the following factors has little effect on blood flow in ...

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  10. Which one of the following factors has little effect on blood flow in ...

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  11. Bundle of His is a part of which one of the following organs in humans

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  12. Which one of the following statements is correct regarding blood pres...

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  13. Arteries are best defined as the vessels which

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  14. Congestion of the lungs is one of the main symptoms in

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  15. Which blood vessels carry blood from different parts of your body to t...

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  16. Important function of lymph is

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  17. Which of the following is the correct pathway for propagation of cardi...

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  18. If due to some injury the chordae tendineae of the tricuspid valve of ...

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  19. Given below are four statements (i-iv) regarding human blood circulato...

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  20. Fastest distribution of some injectible meterial//medicine and with no...

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