16.This body system protects organs and provides shape and support.

A. RESPIRATORY
B. MUSCULAR
C. SKELETAL
D. ENDOCRINE


17.this body system allows for movement by contracting.

A. RESPIRATORY
B. MUSCULAR
C. SKELETAL
D. ENDOCRINE

18.THIS BODY SYSTEM REGULATES BODY ACTIVITIES USING HORMONES. SLOW RESPONSE, LOST LASTING.

A. RESPIRATORY
B. MUSCULAR
C. SKELETAL
D. ENDOCRINE




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