In fishes, a -chambered heart pumps deoxygenated blood to the , and this blood gets oxygenated and moves directly to all the body parts.

gills

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three

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lungs

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spiracles

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two

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Solution

The correct option is E two

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Similar questions

(a) Name the blood vessel that brings oxygenated blood to the human heart.
(b) Which chamber of the human heart receives deoxygenated blood?
(c) Describe the process by which deoxygenated blood from this chamber is sent to all parts of the body.

Question 17
Which of the following statement(s) is/are true about the heart?

(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.

(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.

(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts.

(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

(a) (i)
(b) (ii)
(c) (ii) and (iv)
(d) (i) and (iii)

Anwer the following question: [5 MARKS]
1. Name the vessels which carries blood to the heart.
2. Name the vessels which carries blood away from the heart.
3. Name the blood vessel that brings oxygenated blood to the human heart.
4. Which chamber of human heart receives deoxygenated blood ?
5. Describe how deoxygenated blood from this chamber is sent to all parts of the body.

How do fishes cope up with two chambered heart where oxygenated and deoxygenated blood mixes up unlike mammals which have four chambered heart for efficient flow of blood?

Q. Which of the following statement(s) wrong with regard to heart?
A. Left atrium receives deoxygenated blood from different parts of the body while right atrium receives deoxygenated blood from the lungs.
B. Right atrium receives deoxygenated blood from different body parts while right ventricle pumps deoxygenated blood to the lungs.
C. Left atrium receives oxygenated blood from lungs while left ventricle pumps oxygenated blood to different parts of the body.
D. Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.

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