13.epithelial tissues are multi-layered. 14.epithelia produce specialized secretions. please help

How does heroin affect cellular communication in the brain?

Lina went in camping woods. while camping, she accidentally touched a strange planet. her hand immediately started itching, and her skin erupted in hives. after she gets home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina affected hand. lina’s grandmother followed a traditional what remedy.

Which term names the change in the environment that causes and or chasms to change its activity