The Enlightenment brought an increasing interest in how societies are ordered.
Organisms breathe oxygen and drink water. Water and oxygen are nonliving things. ☺♥
Capillaries<span> are </span>small<span>, thin </span>blood vessels<span> that connect the </span>arteries<span> and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.</span>
