MEDIUM
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Choose the correct sequence:
(a)Pulmonary vein → Pulmonary artery → Left auricle → Right ventricle
(b)Pulmonary artery → Right auricle → Left ventricle → Pulmonary vein
(c)Right auricle → Pulmonary artery → Pulmonary vein → Left ventricle
(d) Left ventricle → Pulmonary vein → Pulmonary artery → Right auricle

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Important Questions on Transportation
MEDIUM


MEDIUM

EASY
A. Platelets are produced in the bone marrow.
B. When haemoglobin combines with oxygen it forms carboxy haemoglobin.
C. Calcium ions play an important role in clotting of blood.
D. Fibrins are formed by the conversion of fibrinogen by the enzyme thrombin.

EASY


EASY

MEDIUM

EASY
Oxygen rich blood from lungs comes to which chamber of the heart-


EASY



EASY
Figure below reflects the blood circulation system in the human body. Which of the path contains oxygenated blood.

EASY

MEDIUM

MEDIUM

EASY
The following statements about blood vessels is/are correct.
(A) Arteries have thin and less muscular walls
(B) Walls of veins are non-elastic
(C) Arteries have no valves in their inner lining
(D) Veins do not collapse when empty


MEDIUM
Separation of oxygenated and deoxygenated blood.
I. Fulfils energy requirement of the body.
II. Ensures the effect transfer of oxygen in the body.

