The most appropriate answer is D ! as other three are not related to cilia any way !
so D
if you want more info on this, comment !
Yes it does the chemicals in whatever you are smoking are more than likely altered from what it originally was, therefore the chemicals start to taint the blood vessels and damage them permanently.
Answer:
thx for points doing a challenge
Explanation:
Whether it is a real emergency or a threat to you and/or the public
That is TRUE because when you get older your bones and muscles start to decrease so being physically active will make your bones and muscles stronger as they decrease.
