2. What happens to each of the following when a muscle contracts? Width of dark band:
Width of light band:
Distance between Z lines:
Total length of sarcomere:

Explain the importance of getting and proper treatment for a mental illness.

The benefits of cardiovascular exercise include a improved hearing b reduced depression c reduced appetite d decreased stamina

Karen is waiting by the lockers before school for her friend richard. they had agreed to look over the history review sheet together to be ready for the test later that day. richard shows up late with uncombed hair and wrinkled clothes. karen: "you're five minutes late and you look like a wreck! " richard: (slams his locker) "you know, i don't have time for this." karen: "fine! figure out the test on your own! "