Which of the following best explains why multiple exercises are needed to improve muscular strength and endurance throughout the body? a. push-ups don't exercise leg muscle groups. b. different exercises are needed to improve different muscle groups. c. weight lifting is more important for muscle strength than endurance. d. not all muscle groups can be exercised simultaneously.

i need the a b or c but mental disorders include repetitiveness,unable to listen, wanting to kill people, thinking that you are perfect, sexuality toward the wrong age types younger than you like a child bad reputations cutting yourself abuse! these are sad but these are true! the titles for some of these are ptsd and adhd. you need to go to jail or get an expert counselor if you face any of these problems or if you have indeed been involved!