In the disease "<span>cystic fibrosis" the lungs get filled with too much mucus.</span>
Potassium
Potassium is a mineral present in food that helps in a series of important body functions such as muscle contractions, nerve impulses, digestion and normal water balance. Consumption of the right balance of potassium-rich foods and beverages supplies the body the potassium it requires as it does not produce potassium by itself naturally. Consumption of too little or too much potassium can lead to serious health problems.
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Answer:
Chondrichthyes characteristics include a cartilaginous skeleton, lack of a swim bladder, lipid storage restricted to the liver, unique hematopoietic organs, and bacteremia in clinically normal individuals. Variable reproductive strategies are employed throughout this vertebrate class.
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