Question

Which statement correctly describes two organ systems working together when the body increases its movement?
A.
The excretory system releases extra waste, and the digestive system breaks down nutrients quickly to replace the waste.

B.
The digestive system breaks down nutrients quickly, and the respiratory system delivers the nutrients to the working muscles.

C.
The respiratory system increases gas exchange, and the circulatory system circulates blood faster to deliver oxygen to muscles.

D.
The circulatory system picks up more carbon dioxide waste from the muscles, and the excretory system releases the carbon dioxide.

Answer 1

The correct statement that describes two organ systems working together when the body increases its movement is:

**C. The respiratory system increases gas exchange, and the circulatory system circulates blood faster to deliver oxygen to muscles.**

This statement accurately represents the collaboration between the respiratory system and the circulatory system to meet the increased demand for oxygen and nutrient delivery during physical activity.