A. In the Body Defender challenge, what two body parts make up the first line of defense against pathogens? pls answer

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

What can you do to be a financially responsible consumer.

Matching: 1. first used by europeans as a local anesthetic; now abused for its euphoric effects 5 marijuana 2. found in coffee beans, tea leaves, and cocoa beans 2 heroin 3. prescribed for pain involving serious injury or surgery 1 morphine 4. illegal derivative of morphine that is sold on the street as a white powder 6 caffeine 5. can evoke feelings of terror and panic 4 lsd 6. causes user to experience a conscious dreamlike state 3 cocaine