Does prolonged stress affect the immune system

The goal of the flu vaccine is to prevent you from becoming infected with influenza. select the best answer from the choices provided. t f

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people