Answer:
It depends on where we were from long ago.
Explanation:
You see whereever we are from we grew up in different climates, food habits, and the way we communiacate. Some people like rice others (Long ago) prefered meat because there might of been more animal life where they lived. ( This is my answer from my brain)
The answer in the space provided is anemia. It is because anemia would likely cause other people who has a type of anemia experience a craving of iron or other objects as these are symptoms associated with it. That is why the person who has iron object cravings are needed to be tested if they have some sort of anemia, in order to identify what causes him or her to do it.
The correct option is: CALCIUM IS A MINERAL USED IN THE FORMATION OF TEETH AND BONE.
Physiologists are scientists who analyze the functions of human body at the whole level and cellular level, they investigate the composition of the body systems and how the organs in the body work together.