<span>According to the Centers for Disease Control and Prevention (CDC), diseases caused by smoking kill more than 480,000 people in the U.S. each year. In fact, smoking is directly responsible for almost 90% of lung cancer and COPD deaths. Even with antismoking campaigns and health warnings, many people continue to smoke or start to smoke every year. About 8% of kids under the age of 18 years are current tobacco users.</span>
<span>until the onset of puberty, human cannot produce active reproductive cells
On women, we notice it by them having a menstruation. Menstruation happened when the reproductive cells that's produced within the human body left unfertilized and the body get rid of thorugh menstruation</span>
<span>A parasite is an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense. Hope I helped!</span>
