The brain and spinal cord are structures of the ________ system.
A. cardiovascular
B. nervous
C. integumentary
D. endocrine
Answer: B
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Which of the B-vitamins primarily functions in cell regeneration and the synthesis of red blood cells?
A. pantothenic acid B. folate C. riboflavin D. biotin
Which of the following countries rely on roots, tubers, and sorghum as the main dietary starches?
a. certain African countries b. Ireland and the United Kingdom c. China, Japan, and India d. North American countries
The leading cause of blindness in children is
A. vitamin A deficiency. B. vitamin C deficiency. C. iodine deficiency. D. iron deficiency.
Which of these meals is lowest in vitamin C?
a. Roast beef, carrots, noodles, and tea b. Hot dog, cabbage, french fries, and milk c. Roast beef, broccoli, noodles, and coffee d. Spaghetti with tomato sauce, meatball, garlic bread, and red wine