In which all ways does pollutants enter our body?
Pollutants can enter directly through the skin
Through mucous membranes
Through food, water or air.
All of the above
Pollutants can enter directly through the skin. They can also enter the body through mucous membranes or through food, water or air.
A)What are the size of small microbes?
B)What are the characteristics of viruses?
C)What are the ways through which microorganisms enter in our body?
How does harmful chemicals enter our bodies through the food chain?