Question

a pacemaker is placed inside a persons body, so you cant see it. it doesnt project from the body. todays pacemakers are so tiny that they dont stick out at all. scientists keep improving pacemakers. this pacemaker is the smallest one in the world. which of these clues helps you understand what \project\ means?

Explanation:

The text mentions that pace - makers are so tiny that they don't stick out at all. The context implies that "project" here means to stick out or protrude since it is contrasted with the small size of the pace - maker not sticking out.

Answer:

The clue "it doesn't project from the body. Today's pace - makers are so tiny that they don't stick out at all" helps understand what "project" means.