Deficiencies of ____may result in muscular weakness.
A) iron and copper
B) iron and manganese
C) iodine and iron
D) phosphorus and calcium
E) phosphorus and potassium
Correct Answer:
Verified
Q17: Choanocytes are found in _ and participate
Q18: The _ in the bird's digestive tract
Q19: Place the five steps of digestion in
Q20: The _ of a bird's digestive system
Q21: What is the purpose of the watery
Q23: Heartburn is caused by the _.
A) gastroesophageal
Q24: A deficiency of _ produces a goiter
Q25: Food is formed into a bolus in
Q26: What function does the presence of alkaline
Q27: Of the 13 essential vitamins, _ are
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