The Thick Residue That Contains Many of the Carcinogenic Substances

question 35

Short Answer

The thick residue that contains many of the carcinogenic substances in tobacco smoke is ________.

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Definitions:

Primary Bronchi

The major air passages that diverge from the lower end of the trachea and enter the lungs to facilitate respiration.

Heart

A muscular organ that pumps blood through the circulatory system by rhythmic contractions.

Lung

A pair of respiratory organs situated within the thorax, responsible for gas exchange between the air and the blood.

Organ Systems

Groups of organs working together to perform complex functions necessary for life and health.