How does a blind person know when to stop wiping? ?

Describe a time in the small group discussion when you drew on your preparation by referring to notes you had written earlier.

What are hormones? a. they are minerals needed for proper bone formation. b. they are the parts of the body targeted by endocrine glands. c. they are substances needed for muscle and nerve activity. d. they are substances released by endocrine glands.

Which two levels of the spine that can undergo flexion and extension?