Question

JULI
Respiratory Sysun
6.
body.
Circulatory system
Digestive system
Nervous system
Respiratory system
The lungs deliver oxygen to the blood, which transports it to all the cells in the​

Answer 1

The respiratory and digestive systems work together to power the body. A properly functioning respiratory system delivers adequate oxygen to the blood. Because the digestive system breaks down food and uses muscular contractions to move food through the digestive tract, it needs oxygen to function properly.