Answer is B. Skin can’t physically transport broken down chemicals no speed up or slow down in presence of drugs. Process of elimination.
D - to fully restore motor activity
The correct answer for this is sperm. Hope this helps.
C. All forms of tobacco are addictive. Tobacco contains Nicotine, which upon entering the blood stream, affects the user. After frequent uses, the user becomes addicted to the nicotine within the tobacco product.