16. The middle layer of the skin (a) is called the dermis b) spains collagen fib

Question

16. The middle layer of the skin (a) is called the dermis b) spains collagen fibers -11. Histology is the study of (a) cells (b) organelles (c) tissues rimarily connective tissue (d) is all of the above -12. 17. To which subtype of muscle tissue dos A collection of similarly specialized cells and any extracellular material they secrete and maintain describes (a) an organ (b) a system (c) a tissue (d) organelles a fiber with cross striations and many peripherally located nuclei belong? located nue (b) cardiac (c) smooth (d) none of the above which tissue would you look for inw that function in point-to-point 13, Organs strung together functionally and 18. - usually structurally form communication? (a) connective (b) epithelial (c) muscle (d) nervous (a) organs (b) systems (c) tissues 14. are constructed of all four basic tissue types. (a) organs (b) systems (c) cells (d) organelles The ventral body cavities include (a) the thoracic cavity (b) the cranial cavity 19· (c) the abdominopelvic cavity (d) both a and c -15. An epithelial tissue formed by more than one layer of cells and with columnlike cells at the surface is called (a) simple squamous (b) stratified squamous (c) simple columnar (d) stratified columnar 20. The cranial cavity contains (a) the lungs and heart (b) the spinal cord (c) the brain (d) both b and c

Explanation / Answer

11. The word Histology is derived from combination of two Greek words Histos and logos. Histos means a sheet of woven cloth and logos means study. Histology is the branch of science which studies the tissues. Thus option C is correct.

12. Cells are considered as basic unit of life. Similar cells combine to form a strucutre called Tissues. Tissues are speacialised in functions. Option C is correct.

13. When group of organs work together to perform one or more functions, they form a system. Thus option B is correct.

14. Tissues combine to form different organs. Correct option is A, Organs.

15. Option D, Stratified Columnar. In this epithelial tissues column shaped cells get arranged in multpile layers. Thjis epithelium funtions in secretion and protection. Is usually found in respiratory tract, salivary gland and conjunctiva of eye.

16. Option D, All of the above. Middle layer of skin is called dermis, it contains collage and is connective in nature.

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