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प्रश्न
Why is blood called a tissue? Give reasons.
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उत्तर
Blood is called a tissue since it contains many blood cells i.e. RBCs, WBCs and platelets working together to perform a common function. Blood connects the body systems together bringing the needed oxygen, nutrients, hormones and other signaling molecules, and removing the wastes.
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संबंधित प्रश्न
Give three functions of blood.
Distinguish between the following pairs in one or two sentences for each
(a) RBCs and WBCs;
(b) bone and cartilage;
(c) blood and lymph.
(d) tendon and ligament
Describe the composition and functions of blood.
Identify the odd word and explain why it is odd.
Write 'True or False' for the following statement:
The end of the bones is connected with ligaments.
Differentiate white adipose tissue from brown adipose tissue.
______ have guard cells.
Identify figures A and B.
- ______ epithelium forms the outer lining of the buccal cavity.
- ______ epithelium consists of ceils that are tall and pillar-like.
- Which one allows the diffusion of substances?
- Which is called pavement epithelium?
- Which epithelium lines the gastrointestinal tract and epiglottis
In which one of the following preparations you are likely to come across cell junction most frequently?
Write down the common features of the connective tissue. On the basis of structure and function, differentiate between bones and cartilages.
