Why saline is given through veins only and not through arteries?

Saline is typically administered through veins because they are designed for the rapid and efficient delivery of fluids and medications to the body's circulation. Veins have lower pressure than arteries, making them safer and easier to access for infusions. Infusing saline into arteries can lead to complications such as increased pressure, potential arterial damage, and inadequate distribution of the fluid to tissues. Additionally, the body’s natural physiology is adapted to receive fluids through veins, ensuring proper homeostasis.