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
The organ in the excretory system that filters blood is the kidney.
The organ in the excretory system that filters blood is the kidney. To find this answer, you can use various methods such as consulting a biology textbook, searching online on reputable websites, or asking a knowledgeable person in the field of human anatomy and physiology. The kidney plays a vital role in filtering waste products and toxins from the blood and forms urine as a result.
