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The four sketches (1, 2, 3 and 4) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?
Tissue Location Function
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- (2) Glandular epithelium Intestine Secretion
- (3) Collagen fibres Cartilage Attach skeletal muscles to bones
- (4) Smooth muscle tissue Heart Heart contraction
- (1) Columnar epithelium Nephron Secretion and absorption
Correct Option: A
Glandular epithelium invaginates epithelia into connective tissue which differentiate into secretory units. Examples include sebaceous glands of the skin and glands in the intestinal lining (exocrine glands), and many endocrine glands releasing hormones, such as the thyroid follicle.
