Acts as a barrier, blocking many pathogens from entering the body.
a.
skin
b.
platelets
c.
white blood cells

A. Skin is correct because it's what covers the body and protects from many things coming into our body's . Hope this helps

T.j. is struggling with whether or not it is worth trying to quit his prescription drug abuse. he used to be dedicated to his family and friends, but he worries that his abuse has driven away everyone who cares about him so there is no point in quitting. what long-term benefits can you use to try to motivate him to make the effort to quit? (3 points) improved healthy cholesterol levels leading to decreased chance of heart disease improved relationship stability and better ability to handle stress or depression increased stress levels and better chances of making and keeping friends increased blood glucose levels and less chance of developing type 2 diabetes