4 answers
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Which organ in the excretory system filters blood?(1 point)
Responses
kidney
kidney
bladder
bladder
ureter
ureter
urethra
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9 months ago
![anonymous](/images/users/0/1/128x128.jpeg)
9 months ago
What is the term for changes in the internal or external environment that cause a response?(1 point)
Responses
signals
signals
messages
messages
nerves
nerves
stimuli
8 months ago
The organ in the excretory system that filters blood is the kidney.
7 months ago