Which of the following system is responsible for taking in oxygen and removing carbon dioxide?
A. Circulatory system
B. Digestive system
C. Endocrine system
D. Respiratory system
A. Circulatory system
B. Digestive system
C. Endocrine system
D. Respiratory system
Answers & Comments
Answer:
D
Explanation:
The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide. The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles