involves hormones- The patch delivers hormones that stop an egg from being produced.
forms a barrier- Condoms keep semen with sperm from reaching the vagina.
involves use of spermicide- A diaphragm blocks sperm from the cervix, and spermicide slows movement of sperm.
protects against STIs- Condoms help keep partners' body fluids from coming into contact.
the most effective method- Abstinence, if total and continuous, is 100 percent effective against pregnancy and STIs.
ALCOHOL:
alcohol is the worst way to drown all your stress away. unlike drugs, alcohol destroys your liver and will slowly kill you. many times when people get drunk they hit and hurt people without realizing it. not to mention the huge hang-over when they wake up the next morning. alcohol will harm the human body worse then drugs since it hurts you from the inside then out.
The process of closing or state of being closed of a passage is called an occlusion.
