Q: Answer the question

When too much salt is detected in the bloodstream, the brain secretes a hormone that helps the body retain water by reducing the amount of urine produced. This is an example of

A: a feedback loop.

Q: Answer the question

The body maintains equilibrium through a series of messages called a feedback mechanism. What organ releases hormones that maintain balanced glucose levels?

A: pancreas

Q: Answer the question

Which of the following heat exchange processes involves the collision of particles?

A:
conduction