A rectangle is a 2 D object which is made up of lines. Identify the dimension of a line.
Question 43 Fill in the blanks (a) Lining of blood vessels is made up of ___. (b) Lining of small intestine is made up of ___. (c) Lining of kidney tubules is made up of ___. (d) Epithelial cells with cilia are found in ___ of our body.