Cholesterol is an example of what kind of molecule?
a. protein
b. amino acid
c. lipid
d. carbohydrate

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Mini dentist offices prefer preset trays because the use of these trays

Which of the following must be treated under the care of a physician and is mainly considered a medical condition? a. scoliosis b. lordosis c. kyphosis d. all of the above