Which of the following statements accurately describes the role of hyaluronic acid in the human body?
A) Hyaluronic acid primarily functions as a neurotransmitter in the central nervous system.
B) Hyaluronic acid is a type of protein that helps in the contraction of muscle fibers.
C) Hyaluronic acid acts as a lubricant and shock absorber in connective tissues, including joints and skin.
D) Hyaluronic acid is a hormone that regulates blood glucose levels.