Human Biology

(Sean Pound) #1

1.13. Types of Nutrients http://www.ck12.org


FIGURE 1.25
Between the ages of 9 and 13 years, girls need about 26 grams of fiber per day, and boys need about 31 grams
of fiber per day.

Fats are one type of lipid. Stored fat gives your body energy to use for later. It’s like having money in a savings
account: it’s there in case you need it. Stored fat also cushions and protects internal organs. In addition, it insulates
the body. It helps keep you warm in cold weather.


There are two main types of fats, saturated and unsaturated.


1.Saturated fatscan be unhealthy, even in very small amounts. They are found mainly in animal foods, such as
meats, whole milk, and eggs. Saturated lipids increase cholesterol levels in the blood. Too much cholesterol
Free download pdf