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

Infective endocarditis, A) Definitive Infective Endocarditis 1) Patho...

A) Definitive Infective Endocarditis 1) Pathological Criteria • Micro organism: demonstrated by culture or histology in a vegetation; or in a vegetation that has embolize

Seed, Seed A seed is a mature ovule enclosing an embryonic plant, stor...

Seed A seed is a mature ovule enclosing an embryonic plant, stored food material (in endosperm, persistent nucellus or embryo itself) and a seed coat formed by one or two inte

Intrisic and Extrinsic Limiting Factors, How do the ideas of energy and che...

How do the ideas of energy and chemical cycles, community structure, biodiversity and succession fit together to form the basis of the way the natural world works?

Mention causes of implant failure due to restorative problem, Mention cause...

Mention causes of implant failure due to restorative problems. 1) Restorative problems: a) Excessive cantilever. b) Use of implants with rigid prosthetic connection with

Define efficiency - terminologies used in chromatography, Define Efficiency...

Define Efficiency - terminologies used in chromatography? Efficiency in chromatography is expressed as number of theoretical plates.           H =   L/N Where, H is heigh

Detecting and resolving discrepancies, Detecting and resolving discrepancie...

Detecting and resolving discrepancies: Since the information selected to enter consciousness is usually about changes in the external and internal worlds, when there is a discrepan

What is the group of the phylum chordata, What is the group of the phylum C...

What is the group of the phylum Chordata that first colonized the terrestrial environment? From which habitat did they come? Amphibians, partially aquatic partially terrestrial

The principle of dna cloning, Assume an experimental target that is to make...

Assume an experimental target that is to make vast amounts of a particular DNA fragment in pure form from a combination of DNA fragments.  Whereas the DNA fragments can be introduc

Zoology, what are the physical requirements to become a zoologist?

what are the physical requirements to become a zoologist?

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