6. Which ofthe following is mismatched with its function? (A) most B vitamins - coenzymes (B) Vitamin E- antioxidant (C) Vitamin K - blood clotting (D) Iron - component of thyroid hormones (E) Phosphorous -bone formation, nucleotide synthesis

7. What is the function of the cilia in the trachea and bronchi? (A) to sweep air into and out of the lungs (B) to increase the surface area for gas exchange (C) to vibrate when air is exhaled to produce sounds (D) to dislodge food that may have slipped past the epiglottis (E) to sweep mucus with trapped particles up and out of the respiratory tract

6. Which ofthe following is mismatched with its function?

(A) most B vitamins - coenzymes

(B) Vitamin E- antioxidant

(C) Vitamin K - blood clotting

(D) Iron - component of thyroid hormones

(E) Phosphorous -bone formation, nucleotide synthesis

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