During which period of the development do people typically face new issues which may lead to eating disorders or substance abuse a. early adulthood b. school age c. middle adulthood d. adolescence

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.

What body systems are involded in sleep homeostasis

Can someone me. so last night i was with my girl and i ended up with a peanut butter jar in my anus. sadly we have tried to pull it out but its well stuck in there : ( any ideas how to get it out?