I think it would be kidneys because of the way the question is worded, kidneys are the only things you have 2 of that also is involved in the digestion of foods.
it is bad for you not to eat for a day or two just to lose weight
The cardiovascular system is made up of what two systems:
a) Circulatory system and respiratory system
The correct answer is C. The constituents in food that the body requires to function properly.
Explanation:
In health, nutrients are substances found in food that are essential for life and different functions in living organisms such as grow, reproduce, or develop. These substances are needed in different amounts by humans, which is defined by the recommended daily intake; for example, everyday individuals should eat between 45 to 75 grams of fat. Moreover, nutrients are classified into big groups that include fats, minerals, proteins, vitamins, and carbohydrates. According to this, nutrients are "the constituents in food that the body requires to function properly."
