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.
Answer:
Heredity
Heredity is the transmission of physical characteristics from parents to children through their genes.
2. Environment
The environment plays a critical role in the development of children and it represents the sum total of physical and psychological stimulation the child receives.
3. Sex
The sex of the child is another major factor affecting the physical growth and development of a child.
4. Exercise and Health
The word exercise here does not mean physical exercise as a discipline or children deliberately engaging in physical activities knowing it would help them grow.
5. Hormones
Hormones belong to the endocrine system and influence the various functions of our bodies.
6. Nutrition
Nutrition is a critical factor in growth as everything the body needs to build and repair itself comes from the food we eat.
7. Familial Influence
Families have the most profound impact in nurturing a child and determining the ways in which they develop psychologically and socially.
8. Geographical Influences
Where you live also has a great influence on how your children turn out to be.
9. Socio-Economic Status
The socio-economic status of a family determines the quality of the opportunity a child gets.
10. Learning and Reinforcement
Learning involves much more than schooling.
Food and Drug Administration
Some proactive measures that can reduce someone's risk of danger or assault could be maybe if the person who is trying to keep from danger stays off the streets or they make a group of friends. Then they have less of a chance of getting into violence or assualt (Even though no matter what it is very difficult to prevent violence because it can happen at any time)