How does smoking cigarettes impact the red blood cells?
Correct answer: A. Decreases their ability to carry oxygen
- A. Decreases their ability to carry oxygen
- B. Decreases their ability to congeal
- C. Decreases their ability to reach their typical life duration
- D. Decreases their ability to cleanse wounds
Explanation
Carbon monoxide in cigarette smoke binds strongly to haemoglobin, displacing oxygen and reducing the blood's oxygen-carrying capacity. This is why smoking can deprive tissues of oxygen even when red-cell numbers are not immediately reduced.
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The human body is studied through its organ systems, including digestion, respiration, circulation, excretion, nervous coordination, reproduction and immunity. Coverage also includes nutrients and deficiency diseases, hormones, blood groups, common infections, vaccines, sanitation and basic first aid, while distinguishing communicable diseases from inherited and lifestyle disorders.
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