what is HYPERglycemia and HYPOglycemia? include: what is it, symptoms, signs, treatment. please and thank u!

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?

Viruses can cause the following, check all that apply. a. sore throat b. measles c. ear infection d. flu e. chicken pox