To the nonsmokers who are exposed in inhaling the cigarette smoke have a high risk of lung cancer and respiratory diseases.
Tobacco is unsafe because of the various effects it has on the human body. It can cause damage to the lungs and premature wrinkling of the skin.
Respiratory
cats have 4 legs
causes problems with nervous system
gg
Most fish use gills for gas exchange instead of lungs
they permit exchange between the external atmosphere and the circulatory system.
Most fish use gills for gas exchange instead of lungs
There are only positive effects of lime fruit on a human being. Limes are high in antioxidants and vitamin C. They help strengthen the immune system as well.
it kills insects ya know by disrupting their nervous system.
Oscar Liebreich has written: 'Effects of borax and boracic acid on the human system'
The heavy metals like lead and mercury are toxic to our human bodies as the body system has no means of getting rid of them.