During very difficult workouts, you work hard and breathe heavily.
what should the words in italics be replaced with to make this sentence more precise?

Alcohol is a dangerous drug because it a can change the way the mind and body function. b changes the way you look to other people. c makes you believe you are invincible. d cannot absorb into the bloodstream.

Bloodborn pathogens are infectious microorganisms carried by what?

How to stop staring at people in school if you have a staring problem?