Blood vessels are absent in epithelial tissue.(given in material) . But the location of squamous epithelium is blood vessels. Then how blood vessels are absent in epithelial tissue?

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Solution

harshita here endothelium is a lining,it doesnt supply blood right?

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Q. Assertion :Materials cannot be exchanged between epithelial cells. Reason: Blood vessels are absent in epithelial tissue.

Question 40
Write true (T) or false (F)
(a) Epithelial tissue is protective tissue in animal body.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces.
(d) Epithelial layer is permeable layer.
(e) Epithelial layer does not allow regulation of materials between body and external environment.

Read the following statements regarding different types of animals tissues and select the incorrect ones.
(i) Each fasciculus (or bundle of muscle fibres) is surrounded by an epithelial tissue covering called perimysium
(ii) Multi unit smooth muscles are present in ciliary and iris muscles in the eyes and muscles of the walls of large blood vessels.
(iii) Columnar epithelium present in gastric glands, intestinal glands and pancreatic lobules, has a secretory role and is called as glandular epithelium.
(iv) Epithelial tissue arises only from the ectoderm of embryo and is usually supplied with blood vessels

Q. Match the following

\begin{matrix} C o l u m n I & C o l u m n I I (E p i t h e l i a l T i s s u e) & (L o c a t i o n) A . C u b o i d a l & 1. E p i d e r m i s o f s k i n B . C i l i a t e d & 2. I n n e r l i n i n g o f b l o o d v e s s e l s C . C o l u m n a r & 3. I n n e r s u r f a c e o f g a l l b l a d d e r D . S q u a m o u s & 4. I n n e r l i n i n g o f F a l l o p i a n t u b e E . K e r a t i n i s e d s q u a m o u s & 5. L i n i n g o f p a n c r e a t i c d u c t \end{matrix}

Q. Match list I with list II and find the correct option
List I List II
(Epithelial tissue) (Location)
(A) Cuboidal (1) Epidermis of skin
(B) Ciliated (2) Inner lining of blood vessels
(C) Columnar (3) Inner surface of gall bladder
(D) Squamous (4) Inner lining of Fallopian tube
(E) Keratinized squamous (5) Lining of pancreatic duct

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