List three physical tests used to determine a person’s body composition.

dexa scan , whole body plethysmography, underwater/hydrostatic weighing

Explanation:

-A small does of the body passes through the x-ray

- you step into a pod and it measures your over all density

-you sit on a scale underwater and it weighs you

depression is an ongoing sadness\lack of motivation. you feel and feel like its never going to get better. you're so sad to the point you think of death.

anxiety is an ongoing feeling of paranoia\ feeling like everyone is watching you and making fun of you. you get nervous easily and feel like the room is spinning.  

yes, they cause death every year. its a long, exhausting battle. only few make it through as sad as it sounds.

explanation: