9. The
helps the digestive system get nutrients spread
out around the body.
A. Digestive System
C. Integumentary System
B. Respiratory System
D. Circulatory System
10. The
produces oxygen to help the digestive system
absorb nutrients.
A. Digestive System
C. Integumentary System
B. Respiratory System
D. Circulatory System
11. It filters wastewater and salts from the blood and gets it out of the body.
A. Excretory System
C. Nervous System
B. Respiratory System
D. Circulatory System
12. It communicates and controls all the other systems through messages and
signals.
A. Excretory System
C. Nervous System
B. Respiratory System
D. Circulatory System
13. It brings oxygen into the lungs and gets carbon dioxide out.
A. Excretory System
C. Nervous System
B. Respiratory System
D. Circulatory System
14. It breaks down food into nutrients for the body.
A. Excretory System
C. Digestive System
B. Respiratory System
D. Circulatory System
15. It transports materials like nutrients and oxygen to the cells and carries waste
away
from the cells.
A. Excretory System
C. Digestive System
B. Respiratory System
D. Circulatory System​