instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Only animals have muscle tissue and what other type of tissue? Answer: nervous
answer:
Only animals have muscle tissue and nervous tissue.


question:
Question: The outer surface of the heart changes from positive to negative during what? Answer: depolarization
answer:
The outer surface of the heart changes from positive to negative during depolarization.


question:
Question: What is the minimum number of loops a circuit can have? Answer: 1
answer:

1 is the minimum number of loops a circuit can have.