Answer: Silent mutation
I hope that was the one that you were looking for. Please vote this as brainliest if you don’t mind :)
Answer:
Blood absorbs and distributes heat throughout the body. It helps to maintain homeostasis through the release or conservation of warmth. Blood vessels expand and contract when they react to outside organisms, such as bacteria, and to internal hormone and chemical changes.
The answer is chloroplast; the actions you describe are part of the photosynthetic process and the chloroplast is involved in photosynthesis. I hope I helped! :D