True or false endorphins are manufactured by the brain to relieve pain.

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Which is a contraceptive method that is classified as hormonal birth control?

Which ability demonstrates that one can identify and share another person’s feelings a. resilience b. confidence c. integrity d. empathy