The nose, mouth, and diaphragm are parts of which body system?
A B C D
digestive muscular circulatory respiratory
Question: The nose, mouth, and diaphragm are parts of which body system?
(A) digestive
(B) muscular
(C) circulatory
(D) respiratory

Answer: (D) respiratory
Answer: (A) digestive
Question: The nose, mouth, and diaphragm are parts of which body system?
(A) digestive
(B) muscular
(C) circulatory
(D) respiratory
Answer: (D) respiratory