What does a vertical line to the left of multiple staves indicate to a musician ? a. to play music on all staves at the same time . b. to play music in ascending order of staves, from top to bottom. c. to play music in a descending order of staves from bottom to top. d. not to play music on these staves.

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release