Answer:
hope it's help full
and thank you for the points
BODY SYSTEMS<span>INTEGUMENTARY SYSTEM
MUSCULAR SYSTEM
SKELETAL SYSTEM
CIRCULATORY SYSTEM
NERVOUS SYSTEM
LYMPHATIC SYSTEM
RESPIRATORY SYSTEM
ENDOCRINE SYSTEM
DIGESTIVE SYSTEM
URINARY SYSTEM
REPRODUCTIVE SYSTEM
CELLSTISSUES
ORGANS
</span>
<span>peristalsis should be your answer.</span>