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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता १०

Why is the colour of the blood-red? - Science

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प्रश्न

Why is the colour of the blood-red?

एका वाक्यात उत्तर
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उत्तर

The colour of the blood is red, due to the presence of respiratory pigment Haemoglobin.

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पाठ 14: Transportation in Plants and Circulation in Animals - Evaluation [पृष्ठ २१४]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
पाठ 14 Transportation in Plants and Circulation in Animals
Evaluation | Q V. 3. | पृष्ठ २१४

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संबंधित प्रश्‍न

What makes the blood look red?


What are the various components of blood? State their functions.


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


Which is the correct sequence of blood flow?


Match the following.

1. Leukaemia (a) Thrombocytes
2. Platelets (b) Phagocyte
3. Monocytes (c) Decrease in leucocytes
4. Leucopenia (d) Blood Cancer
5. AB blood group (e) Allergic condition
6. O blood group (f) Inflammation
7. Eosinophil (g) Absence of antigen
8. Neutrophils (h) Absence of antibody

Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.


Blood is a fluid connective tissue.


Why is it called an artery if it does not carry oxygen-rich blood?


Define the following term:

Blood


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