Structural Organisation in Plants and Animals
Structural Organization in Animals
Skin is a
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Read the following four statement (i) - (iv) having certain mistakes in two of them. (i) Adipose tissue is a type of dense connective tissue located beneath the skin (ii) Compound epithelium has extensive role in absorption and secretion (iii) Most of the cartilages in vertebrate embryos are replaced by bones in adults (iv) Smooth muscles are involuntary as their functioning cannot be directly controlled Which of the above statements have mistakes ?
what is special about tissue present in the heart?
Read the given paragraph It is lined by glandular and ciliated cells. It absorbs nitrogenous waste products from haemocoel and covert them into uric acid which is excreted out through the hindout Which of the following structures of cockroach is referred here ?
Complete the following statements.
Draw a labelled diagram of alimentary canal of a cockroach.
Identify the following simple epithelial tissues and select the correct option
Common name of some animals are given in column I , write their scientfic name in column II
Assertion : Stomach and intestine of our body has columnar epithelium Reason : Columnar epithelium helps is secretion and absorption.