The best way is to drink milk and exercise, since Milk gives calcium and exercise helps keeps bones strong.
The effects of tobacco smoke on the circulatory system include: raised blood pressure and heart rate. constriction (tightening) of blood vessels in the skin, resulting in a drop in skin temperature. less oxygen carried by the blood during exercise. The effects of tobacco smoke on the respiratory system include: irritation of the trachea (windpipe) and larynx (voice box) reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages.
The BCDE rule stands for “borders” meaning uneven outer edges, colors meaning dark or multi-colored spots, diameter meaning greater than 6 mm and evolving in shape and color. Because of this, your answer is A.
“B.water intake helps to keep hair soft” is your answer
