To have a prejudice against a person is to judge them before you know them. true false

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

What percent of body heat can be lost through the head

Not type of personal health monitor can calculate the number of calories a person burns. true or false?