An antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.n antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.
Hip is the region below the waist and above the thigh. It includes the buttocks (which only refers to the back muscle). It includes the flesh and internal anatomy of this area especially the bones, hence you have hip joints.
The hip is actually more laterally located than the buttocks. The buttocks refers to the fleshy part of the upper leg that lies over the gluteal muscles, and the hip refers to the sides, more toward where the femur inserts into the hip socket. Written Apr 2.