Sodium ions help control blood flow, blood volume, osmotic balance, and pH.
Since, the options are not given the question is incomplete. The complete question is as follows:
A serving of food that has 10% to 19% of a nutrient based on a 2,000-calorie diet is considered to have __________. A. low nutritional value B. good nutritional value C. average nutritional value D. excellent nutritional value
Answer: B. good nutritional value
Explanation:
The average person needs 2,000 calories a day. If the food contains the daily value of 5%, then it can be considered to be low in the nutrient content, whereas a food source that consists of 10% to 19% of the nutrient content then it can be considered as a good source of nutrition. If the food consists of 20% of the nutrient content then it can be said as the excellent source of nourishment.
Smoking or drug addiction for an expecting mother is more dangerous because not only are the chemicals affecting her but they are affecting her baby as well if addiction continues through to the birth of the child the baby can experience withdrawal symptoms and can be underdeveloped
