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 difference is that the structure of the hips consists of bone: the femur and pelvis, while the underlying structure of the buttocks is muscle, primarily gluteus maximus. âButtocksâ indicate the muscles, skin, and often, a good amount of adipose (fat) tissue that comprise the fleshy mass you sit on.