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

Annelida, what are the unique characteristics of a flatworm

what are the unique characteristics of a flatworm

Homeostasis, why should shivering contribute to heat gain in the body?

why should shivering contribute to heat gain in the body?

Why the vast majority of segregation errors in human patient, Which of the ...

Which of the following defines why the vast majority of segregation errors in human patients include the two sex chromosomes (XXY, XO, XYY) or chromosome 21 (triple 21)? A. Th

Proximal end of his right femur, In Reggie's case, he fractured the proxima...

In Reggie's case, he fractured the proximal end of his right femur, an integral component of his hip. Name the joint disorders that Reggie is more a risk of in (a) the short term a

Effects on weather - air pollutants, Effects on Weather - Air pollutants ...

Effects on Weather - Air pollutants Dust, smoke and other suspended particulate matter reduce visibility. Fly-ash also affects visibility by intercepting and scattering solar

Nucleic acids, Why is the number of bonds important in nucleic acids

Why is the number of bonds important in nucleic acids

Define chromatography - basic separation technique, Define Chromatography -...

Define Chromatography - Basic Separation Technique? Chromatography is the most effective technique for the separation, purification and identification of one or more biological

What are the positions of myosin and actin molecules, Q. What are the posit...

Q. What are the positions of myosin and actin molecules in the sarcomere before and during the muscle contraction? Schematically actin filaments attached perpendicularly to bot

Genetic terminology, GENETIC TERMINOLOGY (i)         Gene - Mendel us...

GENETIC TERMINOLOGY (i)         Gene - Mendel used the term factor for a gene. A gene is the unit of DNA responsible for the appearance and inheritance of character. (ii)

Various modalities available for sterility assurance, Q. Enlist the various...

Q. Enlist the various modalities available for sterility assurance? Various modalities available for sterility assurance are a) Prevention of overloading b) Chemical indi

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