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.

Q: Question: The complement system is a series of proteins constitutively found in the what? Answer: blood plasma

A: The complement system is a series of proteins constitutively found in the blood plasma.
****
Q: Question: Which characteristic is shared by all cells? Answer: They need energy.

A: All cells share the characteristic that they need energy.
****
Q: Question: What muscles are used to pump water over the gills? Answer: jaws and pharynx

A:
Jaws and pharynx muscles are used to pump water over the gills.
****