★ Respiratory System Quiz
Which body system absorbs oxygen from the surrounding air?
A. Circulatory system
B. Digestive system
C. Muscular system
D. Respiratory system
Select your answer:
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Circulatory & Respiratory System › ViewWhich body system helps the respiratory system distribute oxygen and return waste carbon dioxide to the lungs to be exhaled?
A. Circulatory system
B. Digestive system
C. Excretory system
D. Muscular system
Digestive System and Nutrition › View
Muscular tube that connects the mouth to the stomach?
A. Epiglottis
B. Peristalsis
C. Stomach
D. Esophagus