Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Input: Consider Input: Question: What is the connecting piece of a sperm packed with? Answer: mitochondria

Output: The connecting piece of the sperm is packed with mitochondria. Mitochondria are organelles in cells that produce energy. Sperm use the energy to move.

Input: Consider Input: Question: What is the outer layer of the sun made up of? Answer: plasma

Output: outermost layer of the sun, made up of a plasma that extends millions of kilometers into space.

Input: Consider Input: Question: An electormagnet is a piece of iron inside a? Answer: solenoid
Output: An electormagnet is a piece of iron inside a solenoid.