Effects of tobacco on the human body include: a. nausea b. burning sensations c. making it harder to exercise d. all of the above

D. All of the above

Explanation:

Inside the tobacco cigarette, there is a hodgepodge of harmful substances. Tar is a highly toxic, carcinogenic and black colored residue (so the lungs of smokers are dark). When burning, the cigarette also releases carbon monoxide which decreases the concentration of oxygen in the blood - this gas joins with hemoglobin and prevents it from doing its job of carrying oxygen throughout the body, which can cause death by suffocation . Cigarettes also contain lead acetate, ammonia and mothballs, which are also extremely harmful to the body. Among the various symptoms of the maleficious action of tobacco we can mention nausea, burning sensations, making exercise difficult.

the answer is c.

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