In Amphibians and Reptiles, the left atrium receives oxygenated blood from the gills/lungs/skin, and the right atrium receives the deoxygenated blood from other body parts. However, they get mixed up in the single ventricle, which pumps out mixed blood. This type of circulation is called-

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Important Questions on Body Fluids and Circulation

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 9

The blood vessel which carries oxygenated blood from the lungs to the heart is:

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 10

Highly active scavenger cells are -

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 11

Process of formation of blood corpuscles is called :

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 12

Which of the following statements are incorrect?
(i) Leucocytes disintegrate in spleen and liver.
(ii) RBCs, WBCs and blood platelets are produced by bone marrow.
(iii) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(iv) Important function of lymphocytes is to produce antibodies.

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 13

Which of the following corpuscle has kidney shaped nucleus?

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Alpha Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>Exercise-5>Q 14

Arteries do not have valves but veins do, because :

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