d. holocaust.
there made in the cells ribosomes
>It reduces the surface area of alveolar sacs.
>It binds to hemoglobin in red blood cells.
>It affects the nerve signals that regulate breathing.
The study of cells is called cell biology. There are two different types of cells on the basis of the number and these are unicellular and multicellular.
The correct answer to the question is option D that is It affects the nerve signals that regulate breathing.
According to the question, the nicotine present in the cigarette binds the Carbon monoxide with the hemoglobin which affects the nervous system and gives a soothing signal.
Hence, the correct answer is option D.
For more information about the nicotine, refer to the link:-