Endorphins are a substance produced by the pituitary gland, whose function is to stabilize the feelings of well-being of the body when performing certain activities, such as those that include physical effort, or even when experiencing pain sensation, where endorphins work as analgesics that slow down the sensation of pain.
If the just-noticeable difference for a 10-ounce weight is 1 ounce, the just noticeable difference for an 80- ounce weight would be ounce(s). A) 1 B) 2 C) 4 D) 8 E) 10