The average person needs of protein per day to maintain a healthy body.
25-30 grams
40-80 grams
90-150
grams
20 grams
10 grams

40 to 80 grams

Explanation:

Protein is very important. It helps grow muscle and tissues, provide structure, and balance fluids. Proteins are also enzymes and hormones.  

It is reccomended to eat 0.36 grams of protein per pound of body weight. The average (sedentary) male needs about 56 grams and the average female (sedentary: minimal physical activity) needs about 46 grams.

Protein intake depends on physical activity level and other factors, but the best answer choice is 40 to 80 grams.