Heart diseases are various conditions that affect the heart. Heart diseases include heart rhythm problems, blood vessel diseases, and heart defects. Sodium is an essential nutrient for the body and it plays important roles in regulating fluid balance, and nerve impulse transmission. Higher levels of sodium in the body are normally associated with heart diseases such as hypertension. The normal blood sodium range is between 135 and 145 mEq/L.
The correct answer would be C. both types of energy pyramids contain the same species of organisms. This would be the incorrect one because aquatic and terrestrial ecosystems do NOT have the same organisms living in them.
