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Summer School LA-Biology CR
The Digestive and Excretory Systems — Unit test
Question 12
12
Quiz
Multiple Choice
The Digestive and Excretory Systems — Unit test
Question 12 • Summer School LA-Biology CR
The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?
Answer
A
a cell
B
a tissue
C
an organ
D
an organ system
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