I think it is uh... 549,196* people, but I may be wrong. I'm using a CDC PDF so, I may have read it wrong.
Answer : TrUe
EXPLANATION:
smokers lungs experience inflammation in the small airways and tissues of your lungs .. This can make your chest feel tight . smoking can cause lung disease by damaging your air ways sacs (alveoli) found in the lungs.
Answer:
Yeh hai sanskari wali pic.. xD
dekho or dekhne ke baad like Krna fir main hta dungi.. =_=
Effector - interprets all data and any necessary action
senor - causes an action......
control center - monitors the body's condition