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Dmitry [639]
3 years ago
9

Which of the following accurately describes an effect of smoking? A. Smoking damages cilia in the trachea and more particles ent

er the lungs. B. Smoking lowers blood pressure. C. Smoking enables hemoglobin to carry more oxygen. D. Smoking decreases heart rate.
Biology
2 answers:
soldier1979 [14.2K]3 years ago
7 0
One of the side effects of smoking is the damage of cilia in the trachea which allows particles to entre the lungs. Smoking destroys the cilia which are key in keeping particles from getting down into your lungs so every time a person smokes more and more cilia are destroyed.
zlopas [31]3 years ago
6 0

Correct answer: A). Smoking damages cilia in the trachea and more particles enter the lungs

Tar is a particulate matter that is generated by the burning of tobacco, in a form of cigarette smoke. It contains a variety of inorganic and organic chemicals like carbon dioxide, nitrogen, oxygen, carbon monoxide, and volatile compounds.

Smoking is known to destroy the cilia, fine hair that is known to be found in the upper airways that help to protect against the infection. If cilia are damaged then tar can more easily penetrate into the lungs can cause more damage and may cause cancer.

Hence, the correct answer would be option A.


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7 0
2 years ago
Cellulose and starch are both polysaccharides. Polysaccharides are polymers of monosaccharides sometimes referred to as complex
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Difference between the two polysaccharides cellulose and starch are the following :

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5 0
3 years ago
Mom is a dominant purebred for big feet. Dad is a hybrid for foot size. What are their chances of big feet? Or little feet? _ ou
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Answer:

Parent´s chances:

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Offspring chances:

  • The offspring have 4 out of 4 or 100% of probability of having big feet. And 0 over 4 or 0% of probabilities of having short feet.

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file

Download pdf
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2 years ago
1) Stage 1: What is a property of gas?
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1.a

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Answer:

3. B. no new mating partners are available

7. D. best adaptations

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Explanation:

Carrying capacity refers to the maximum population size of a species/population in a particular habitat. The carrying capacity depends on abiotic (e.g., shelter, water) and biotic factors (e.g., food, presence of mates). According to the evolutionary theory, individuals better adapted to their environments are more likely to survive and reproduce (i.e., produce more offspring) than other members of the same species. These 'better adapted' individuals will have more chances to pass their 'beneficial alleles' to the next generation.

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2 years ago
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