extreme fatness

the number of years a person can expect to live

a situation involving exposure to danger

practicing health and safety habits to remain free of disease and injury

the focusing of attention to clear one's mind and produce relaxation

a person who studies or is an expert in nutrition.

classes at ​school in which ​children do ​exercise and ​learn to ​play ​sport

Breaks down food into absorbable units that enter the blood for distribution to body cells.

macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair

a complex response system that protects the body from bacteria, viruses, and other foreign substances