ANSWER THE FOLLOWING QUESTIONS: 1- COMPLETE THE MISSING PARTS: * The ……… is a series of hollow organs joined in a long, twisting tube from the mouth to ………. * …………… produce antibodies to further protect the small intestine from infection. * ………….. include receptors for taste, smell, vision, hearing, and equilibrium. * …………. is the wall that divides heart ... إقراء المزيد