Defence means protect and offence means fight back
Personally, I would choose D. You should always make a good first impression of someone.
The Skeleton protects many vital organs.
The skull protects the brain, the eyes and the middle and inner ears.
<span>The rib cage, spine, and sternum protect the human lungs, human heart and major blood vessels.</span>
The correct answer is B. controlling the flow of blood to the skin
The more blood there is, the more heat there will be because of blood. An easy example is when someone's ears get all red due to a blood rush to the ears. At that time, ears are also very warm.