Which statement accurately describes the relevance of microvilli:

• A. The microvilli are cellular extensions that act as antennae for paracrine signaling
• B. Microvilli are finger-like projections that increase the surface area of a cell's apical surface
• C. The microvilli are responsible for the secretion of HCl in the stomach
• D. The microvilli aids in swallowing by increasing the surface area of the esophagus

Answer: (B)