Smoking, Biology

Assignment Help:

SMOKING -

  1. It means to draw tobacco smoke into the mouth or lungs & exhale it via mouth, nostrils or both.
  2. Tobacco is obtained from Nicotiana tobacum & Nicotiana rustica of solanaceae family, name was given after Jean Nicot.
  3. Tobacco is used for smoking, chewing & snuffing.
  4. It's main toxic component is nicotine.
  5. Other harmful components are CO, benzpyrene and tar.
  6. Tar contains ammonia, formaledehyde aceteldehyde, HCN, NO2, NO3 & acrolein.
  7. Nicotine stimulates conduction of nerve impulses, causes alertness, relaxes muscles, increases heart beat & B.P., retard foetal growth.

Related Discussions:- Smoking

What are instances of a carnivorous, Q What are instances of a carnivorous ...

Q What are instances of a carnivorous and an herbivorous reptile? Iguanas are herbivorous, Snakes are carnivorous. Q. Do beings of the class Reptilia perform gas exchange i

Origin of plastid, ORIGIN (1) From Pro plastid (2) Division (3) E...

ORIGIN (1) From Pro plastid (2) Division (3) Endosymbiotic origin from a cyanobacterium

Haustorial behavior of embryo sac, Haustorial Behavior of Embryo Sac ...

Haustorial Behavior of Embryo Sac There are instances in which the entire embryo sac may grow beyond the ovular tissue. The central cell may also form multicellular projectio

Enumerate the working of mri scanner, Enumerate the working of MRI scanner ...

Enumerate the working of MRI scanner The MRI scanner can be 'tuned' to detect the very subtle disturbances to the magnetic field induced by the different proportions of oxygen

Biometric computer security systems, By the technology development, the pri...

By the technology development, the price of computer has become lower and lower. For this reason, a majority of family can afford this technology. A large amount of applications so

What are the amphibian features, Q What are the amphibian features that mak...

Q What are the amphibian features that make them dependent on water to survive? Permeable skinexternal fecundation, body subject to dehydration, larval stage and eggs without s

Explain in details amino acid, Explain in details Amino Acid? Amino Ac...

Explain in details Amino Acid? Amino Acids :   There are 20 common amino acids, with a few more found in lower organisms. Adult humans require a diet that includes at least 8

Respiration in animals, write the raspiration of different types of animal...

write the raspiration of different types of animals of different phylum

What are the different organ of the gastrointestinal system, The different ...

The different organs of the gastrointestinal system  Mouth or buccal cavity - Teeth 32 Permanent and - Tongue  Pharynx  Oesophagus  Stomach  Small Intestine

Can you explain major ecological roles of bacteria, Q What are the major ec...

Q What are the major ecological roles of bacteria? Bacteria are responsible for the decomposition process at the end of food webs and chains in this process they also liberate

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd