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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
| 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. |
- What is (i) tissue A (ii) pigment B, and (iii) colour C?
- Name (i) D (ii) E (iii) F, and (iv) G.
- Name one substance (other than oxygen) which is transported by tissue A in the human body.
- Which two components of tissue A are the cells without nucleus?
- Name any two organisms ( animals) which do not have liquid like A in their body.
What is the shape of RBC in human blood?
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 ______.
Blood is a fluid connective tissue.
Single circulation i.e. blood flows through the heart only once during one cycle of passage through the body, is exhibited by
The blood leaving the tissues becomes richer in
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?
While learning to ride a bicycle Boojho lost his balance and fell. He got bruises on his knees and it started bleeding. However, the bleeding stopped after some time.
- Why did the bleeding stop?
- What would be the colour of the wounded area and why?
- Which type of blood cells are responsible for clotting of blood?
Least abundant leucocyte is ______.
