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Question
All veins carry deoxygenated blood.
Options
True
False
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Solution
False
Correct Statement: All veins carry deoxygenated blood except the Pulmonary vein.
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RELATED QUESTIONS
What are the components of blood?
The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
(a) What is (i) tissue A (ii) pigment B, and (iii) colour C?
(b) Name (i) D (ii) E (iii) F, and (iv) G.
(c) Name one substance (other than oxygen) which is transported by tissue A in the human body.
(d) Which two components of tissue A are the cells without nucleus?
(e) Name any two organisms ( animals) which do not have liquid like A in their body.
Name the following:
Components of blood
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?
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Reason: Antibodies are absent in persons with AB blood group.
______ are produced in the bone marrow.
Blood is a fluid connective tissue.
What prevents the backflow of blood inside the heart during contraction?
Veins have valves that allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direction only. Can you explain why?
Define the following term:
Blood
