Do you know what hip flexor muscle tissues are? As a home is created-up of bricks, we and all other dwelling beings are made of cells. When the bricks be part of collectively they make a wall, same as when cells join collectively they sort tissue. When the partitions be a part of every single other’s they make rooms, corridors and so on. The exact same goes for tissue, they sort to make other physique areas like palms, legs, your coronary heart, stomach and of training course your muscle groups.