Smooching boosts saliva production and clears the mouth of the bad bacteria and acids that cause decay.

接吻可以促进唾液分泌，清除口腔中腐蚀牙有害细菌和酸。

They can dull pain and boost dopamine giving some people a high but it's easy to get hooked on them.

它们可以减轻疼痛，促进多巴胺分泌，让些人兴奋，但是很容易上瘾。

Then, progenitor cells, which can develop into various bodily tissues, form a mass at the site of injury and nearby nerves secrete growth-promoting proteins.

然后，可以发育成各种身体组织祖细伤部位形成团块，附近神经分泌促进生长蛋白质。

Remember: Your glands are also made up largely of epithelial tissue, so it ALSO plays a big role in facilitating all of your secretions — from sweat and mucus, to hormones and enzymes.

你腺体也主要由上皮组织组成，所以它促进你所有分泌物方面也起着重要作用——从汗液和粘液，到激素和酶。