Final answer:
A pullup is an example of a bodyweight exercise, where you use your own body weight as resistance to build strength.
Step-by-step explanation:
A pullup is an example of a bodyweight exercise. A bodyweight exercise involves using your own body weight as resistance to build strength and improve fitness. In a pullup, you use your upper body muscles to pull yourself up using a bar or other overhead structure.
Learn more about Bodyweight exercises