Tobacco can be used in several ways according to its presentation: inhaled (cigarette, cigar, straw cigarette); snuff; chewed (coil smoke), but in all its forms it is harmful to health. The toxic substances act on the most diverse systems and organs, contain more than 60 carcinogens.
Smoking causes about 50 different diseases, mainly cardiovascular diseases such as hypertension, heart attack, angina, and stroke. It is responsible for many deaths from lung, mouth, larynx, esophagus, stomach, pancreas, kidney and bladder cancer and obstructive respiratory diseases such as chronic bronchitis and pulmonary emphysema. Tobacco lowers the body's defenses and thus the smoker tends to increase the incidence of acquiring diseases such as influenza and tuberculosis. Tobacco also causes sexual impotence.
Answer:
the answer at b says that the structure of the heart at animal x is straight and inbetween the Lungs but at animal y the structure of the heart is slightly tilted to the left
and the answer at c the most efficient blood circulation is at y because the blood is able to flood accordingly and it it well transported in the aorta
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Answer:
Charles is Laurie's alter ego.
