Muscles of the thigh The thigh is composed of numerous muscles that are responsible for various movements...
canal
Cockroach is an omnivorous animal eating anything ranging from starchy and sweet things to papers, clothes etc....
Planaria is a free-living, flat, slender and small worm. The digestive tract consists of a ventrally placed...
Mouth The mouth has a horny covered tongue to facilitate swallowing of food substances to the oesophagus....
