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In veins, valves are present to check ba...

In veins, valves are present to check backward flow of blood flowing at

A

Atmospheric pressure

B

High pressure

C

Low pressure

D

All of these

Text Solution

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The correct Answer is:
C
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Fill in the blanks of the following paragraph using just two words – arteries and veins ___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___ (b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___ (c)___ have thin walls and __ (d)___ have thick elastic walls. Blood flows at high pressure in ___ (e)____. Valves are present in __ (f) ___ which allow blood to flow only towards the heart. __ (g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form __________ .

Assertion : There is no mixing of oxygenated and deoxygenated blood in the human heart. Reason : Valves are present in the heart which allows the movement of blood in one direction only.

AAKASH INSTITUTE-BODY FLUIDS AND CIRCULATION-Assignment Section - C Previous Year Questions
  1. Which one is the correct route through which pulse making impulse trav...

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  2. Bundle of His is a network of

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  3. The cardiac pacemaker in a patient fails to function normally. The doc...

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  4. Impullse of heart beat originates from -

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  5. Rate of heart beat is determined by

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  6. The heart sound "DUP" is Produced when :-

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  7. At the end of joint diastole ventricle is

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  8. To obtain a standard ECG, a patient is connected to the machine by thr...

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  9. When the heart muscles receive insufficient oxygen, it is indicated i...

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  10. In which point pulmonary artery is different from pulmonary vein:

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  11. Pulmonary artery differs from pulmonary vein in having

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  12. In veins, valves are present to check backward flow of blood flowing a...

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

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  14. An adult human with average health has systolic and diastolic pressure...

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  15. Which vertebrate organ receives only oxygenated blood

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  16. The thickening of walls of arteries is called

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  17. Which of the followng cannot be taken as a feature of open type circul...

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  18. Which of the following blood vessels bypass are present in the circula...

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  19. Isovolumetric systole is duration between

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  20. High level of which ions change the strength of contraction

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