15. The outer surface of the hair is called the A. shaft. B. cuticle. C.hair bul

Question

15. The outer surface of the hair is called the A. shaft. B. cuticle. C.hair bulb D. medulla E, root 16. Which of the following is NOT found in the epigastric region? A. liver B. stomach C. urinary bladder D. duodenum E. large intestine 17. Light-skinned races such as Caucasians have A. more melanocytes than races with darker skins. B. fewer melanocytes than races with darker skins. C. approximately the same number of melanocytes as races with darker skins. D. more melanin in their skin E. a different kind of melanin in their skin. 18. The hydrogen and oxygen atoms in a molecule of water are held together by A. ionic bonds. B. peptide bonds. C. savings bonds. D. polar covalent bonds. E. nonpolar bonds. 19. Organize the following structural levels of the human body from simplest to most complex. (2) tissue (3) chemical (4) organ system (5) organ A. 1, 2,3, 4,5 B. 2,3, 1, 4,5 C. 3, 1, 2, 5,4 D. 4, 2, 3, 1, 5 E. 3, 1,2, 4,5

Explanation / Answer

1.The outer surface of the hair is called as the cuticle.

Cuticle provides strength and protection to the shaft and is made up of dead ans overlapping cells. Hence option B is correct.

2.Well among the following large intestine and urinary bladder are not found in the epigastric region.

3.The epigaatric region is tge uppermost part of the abdomen.

Hence option C And E are correct.

4.The light skinned races such as the cauccasians have approximately the same number of melanocytes as the races with dark skins.

hence option C is correct

5.The hydrogen and the oxygen atoms in the water molecule are helps together by the polar covalent bonds.

These bonds are formed from the difference in the electronegativities of oxygen and hydrogen atoms.

6.The structural levels of organisation in human body is

Chemical -- cell--tissue--organ--organ system

Hence option C is correct.

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