Your answer is A. <span>Some animals exhibit similar proteins.
(I deleted the other answers so future viewers won't get confused.)</span>
There are a few, primarily tenderness, swelling, and inflammation... The biggest on would probably be burns.
Answer:
hope you like it
Explanation:
Examples of natural systems include: real number system, solar system, and planetary atmosphere circulation systems.
Natural physical systems include the solar system and an animal's digestive system. Human-made physical systems include mechanical systems, optical systems, electrical systems, and combinations of these. The names of these systems come from the type of energy they use.