The temporary reserve of fat for daily use.
The body fat required for normal functioning. This fat is stored in major body organs and tissues such as the heart, muscles, intestines, the nervous system, and breasts.
Minimal amount of body fat needed for normal physiological functions. It constitutes about 3 percent of the total fat in men and 12 percent in women.
Fats that have to come from the diet as the body can’t make them, for example omega-3, -6 and -9; also known as essential fatty acids.
The body fat stored in the bone marrow, heart, lungs, liver, spleen, kidneys, intestines, muscles, and lipid-rich tissues of the central nervous system.