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

Define the sphingolipid metabolism - vitamin k, Define the Sphingolipid Met...

Define the Sphingolipid Metabolism - Vitamin K? Sphingolipids, as you would recall from your Biochemistry Course, are a class of membrane lipids that are composed of one molecu

Illustrate the tyndallisation, Q. Illustrate the tyndallisation? John T...

Q. Illustrate the tyndallisation? John Tyndall devised a process of sterilisation by steaming for a few minutes at 100 o C on 3-4 successive operations separated by 24 hour in

Michaelis menten, Regulation of enzymatic action equations for competitive,...

Regulation of enzymatic action equations for competitive, non-competitive, uncompetitive inhibition and mixed reaction

Protozoa, locomotion in parameceum

locomotion in parameceum

What is the imporatnce of food preservation, Imporatnce of food preservatio...

Imporatnce of food preservation These include: increased shelf-life decreased hazards from microbial pathogen decreased spoilage (microbial, enzymatic) in

Symptoms of chronic gastritis, Q. Symptoms of chronic gastritis? These ...

Q. Symptoms of chronic gastritis? These include anorexia, chronic fatigue, and feeling of fullness, belching, vague epigastric pain, nausea and vomiting and passage of black ta

How is retaining wall works, How is retaining wall works? A retaining w...

How is retaining wall works? A retaining wall together with the backfill the wall retains and the soil that supports the wall is a highly indeterminate system. The magnitudes o

Objectives of the nutritional care process, Thus, the objectives of the nut...

Thus, the objectives of the nutritional care process should include the following points: 1. Restoration of good nutritional status with dietary modifications and counseling.

Why all specialization occurred during this time period, There is a lot of ...

There is a lot of dataset and hypothese that attempt to explain why there was a Cambrian Explosion. Using all supporting ideas, explain and write a paragraph on why all this specia

Properties and functions of synapses, Properties and Functions of Synapses ...

Properties and Functions of Synapses There is an interval between depolarisation of the presynaptic terminal and the earliest appearance of a postsynaptic response. This inter

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