Question

What is a similarity between the respiratory and excretory systems?

A They both break down food.
B They both remove waste from the body.
C They both exchange gases within the body.
D They both transport nutrients throughout the body.

Answer 1

Both collect waste from body cells and removes them. The respiratory system moves gases (oxygen and carbon dioxide) and the excretory system moves liquids and solids.

Answer 2

B

Step-by-step explanation:

The respiratory removes carbon, and the excretory removes other waste products