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Mixing of oxygenated and deoxygenated bl...

Mixing of oxygenated and deoxygenated blood occurs in the ventricle of

A

Scoliodon

B

Frog

C

Rabbit

D

Pigeon

Text Solution

Verified by Experts

The correct Answer is:
B
Mixing of oxygenated and deoxygenated blood occurs in the ventricle of frog/amphibians and reptiles.
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Give the causes of the following : (a) Heart sounds (b) Non-mixing of deoxygenated and oxygenated blood in the mammalian heart.

(a) Explain how the separation of oxygenated and deoxygenated blood is useful in humans ? (b) Why is double circulation of blood necessary in humans ?

Knowledge Check

  • Mixing of oxygenated and deoxygenated blood occurs in the heart of

    A
    Bird
    B
    Crocodile
    C
    Rabbit
    D
    Frog

  • Which animal has most mixing of oxygenated and deoxygenated blood in the ventricles?

    A
    Scoliodon
    B
    Rabbit
    C
    Frog
    D
    None of these

  • 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.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false

    • Similar Questions

    Explore conceptually related problems

    Assertion : There is no mixing of oxygenated and deocygenated blood in the human heart. Reasoning : Valves are present in the heart, which allow the movement of blood in one direction only.

    Identify whether the given statements are true or false for double circulation. I. It checks the mixing of oxygenated and deoxygenated blood. II. It carries only oxygenated blood. Choose the correct option accordingly.

    Assertion : In amphibians incomplete double circulation presents. Reason : In amphibians oxygenated and deoxygenated blood get mixed up in the single ventricle which pumps out mixed blood.

    Assertion(A): The left atrium and the left ventricle are completely separated from the right atrium and the right ventricle. Reason (R): Oxygenated and deoxygenated blood never mix with each other inside the heart.

    Read the following statements and select the correct options. Heart is located in the chest cavity, tilted slightly towards the left. II. It is composed of cardiac muscle. III. The left side holds deoxygenated blood and right side holds oxygenated blood. IV. The oxygenated and deoxygenated blood never mix due to presence of a partition wall called septum. Codes

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