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

Which groups can the nitrogen-containing bases that form rna, Q. Into which...

Q. Into which two groups can the nitrogen-containing bases that form RNA and DNA be classified? What is the criterion used in to that classification? The nitrogen-containing ba

Define need of vitamin e and k during pregnancy period, Define need of vita...

Define need of vitamin E and K during pregnancy period? Vitamin E needs are believed to increase during pregnancy but deficiency in humans rarely occurs. Vitamin E in the infan

What are the approaches to the design of retaining walls, What are the appr...

What are the approaches to the design of retaining walls? The approach to the design of retaining walls can be started as follows: a. Chosse a trial dimension of the wall

How does the Cornea work, How does the Cornea work, I heard that it is like...

How does the Cornea work, I heard that it is like a motor, however i''m not too sure... because a motor is in vehicle and has piston, and the Cornea is in our eyes and... Well does

Branches of Biology, Is pathology a subspecialty of zoology or botany?

Is pathology a subspecialty of zoology or botany?

Genetics Problems, Andalusian chickens may be either black, white, or gray....

Andalusian chickens may be either black, white, or gray. The gene for black is not dominant over the gene for white, nor is the gene for white dominant over the gene for black. Whe

Inorganic substances - abiotic components, Inorganic Substances - Abiotic C...

Inorganic Substances - Abiotic Components There are about forty elements that are required in various processes of living organisms. Some of these are macronutrients which the

Explain the uses of iso in dairy-type products, Normal 0 false ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Explain the coverage of ecology and evolution, Coverage of Ecology AND Evol...

Coverage of Ecology AND Evolution to include: Ecology Impact of HTC and/or IRC on chemical usage and the ecological and/or evolutionary impact of the chemical usage

What are the types of proteins in metabolism of lens, What are the types of...

What are the types of proteins in metabolism of lens? Soluble Proteins Its synthesis takes place in the equatorial part on the surface of lens. a. Alpha crystallins

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