31 - Fiber is NOT one of the main nutrients.
32 - Elderly people are more at risk for foodborne illnesses because their immune systems have weakened with age.
33 - Reheating leftover food unproperly can lead to foodborne illnesses because the temperature has reach a certain amount of degrees again before it should be eaten.
Answer:
Cobalt
Explanation:
Cobalt has the least requirement a day for an individual, at only 0.0015mg for both men and women. It can be obtained from fish, nuts and green leafy vegetables. Cobalt is utilized in the body to nourish digest and process vitamin B12.
Hope this helps:)
The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
The answer is the fight or flight response.
The fight or flight response is a survival mechanism in the body in the nervous system. It is how we respond to a stressful situation and is there to protect us from harm. Therefore it is not a risk factor for violence. It's our bodies natural way to protect us from violence.
The other choices are sadly all risk factors for violence.