appendix as we can't say it's an unproductive but still its unknown to scientists about its function and it can give harm by swelling due to entry of some material.
The appendix. You don't really NEED it, but its like an extra backup filter, just in case. It can also cause much damage to your body if it gets infected, which is why it needs to be taken out.
if you speell it
Is limestone in well water harmful to the human body
they don't harm the body becaus eyou nedd them throughoout your body icluding your blood stream.
because they are chemicals
How can't it is a better question.
if you breath it in it will harm the human parts of youur body.
it harms the napkins.
Both harm the human body
commensals
Because of the molicules in the pollution can harm our health and body.
Well your skin is an organ, yep it is. Your skin acts as a protector or a barrier from outside harm. A Plasma membrane also performs the same function.