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प्रश्न
Why is it called an artery if it does not carry oxygen-rich blood?
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उत्तर
The pulmonary artery does not carry oxygen-rich blood but it carries blood away from the heart like all other arteries. Therefore, it is called an artery.
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संबंधित प्रश्न
What makes the blood look red?
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.
State the Function: Vitamin K
All veins carry deoxygenated blood.
Who discovered the Rh factor? Why was it named so?
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.
Reason: Antibodies are absent in persons with AB blood group.
The volume of blood in human adults is ______.
What is the special feature present in a human heart which does not allow mixing of blood when oxygen-rich and carbon dioxide-rich blood reach the heart?
When a red blood corpuscle containing both A and B antigens are mixed with your blood serum, they agglutinate. Hence your blood group is ______.
Find out about blood groups and their importance.
