Scurvy is caused by deficiency of vitamin _.
Correct answer: C. C
- A. A
- B. B
- C. C
- D. D
Explanation
Scurvy is caused due to a deficiency of vitamin C (ascorbic acid). Vitamin C plays a crucial role in the synthesis of collagen, which is essential for the proper functioning of blood vessels, connective tissues, and wound healing. The deficiency of vitamin C leads to the breakdown of collagen, resulting in symptoms of scurvy such as fatigue, weakness, joint pain, and gum bleeding. However, deficiencies of vitamins A, B, and D do not result in scurvy. Vitamin A is essential for vision and immune function, vitamin B encompasses a group of vitamins involved in various aspects of metabolism and nervous system function, and vitamin D is crucial for calcium absorption and bone health. While deficiencies of these vitamins can cause other health issues, they do not directly contribute to the development of scurvy.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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