Answer:
c. Osteoclast
Explanation:
If the number of osteoclasts gets lowered inside the bony tissue or they are not adequately developed, the bone dysfunctioning called Osteopetrosis develops.
Nicotine- can cause increase in blood pressure, heart flow, can lead to heart attack
tar- causes cancer
carbon monoxide- deprives heart, brain, and other vital organs of oxygen
B.) Mathew skips meals, sleeps an irregular number of hours, and smokes cigarettes daily.
