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

Patterns & Mechanisms of Evolution, What types of individuals in a populati...

What types of individuals in a population are represented by the two ends of a bell curve?

How can you describe pleural effusion, Q. How can you describe Pleural Effu...

Q. How can you describe Pleural Effusion? Fluid has a density indistinguishable from soft tissue on a radiograph. Pleural fluid tends to accumulate in the deepest part of the

Psilopsida, why sporophyte of psilopsida is rootless

why sporophyte of psilopsida is rootless

Explain the gomez classification, Explain the Gomez classification? It ...

Explain the Gomez classification? It will be of interest to you to learn that in Mexico, a child specialist named Gomez and his co-workers proposed a classification expressing

Nucleoplasm, NUCLEOPLAS M OR KARYOPLASM OR KARYOLYMPH OR NUCLEAR SAP N...

NUCLEOPLAS M OR KARYOPLASM OR KARYOLYMPH OR NUCLEAR SAP Nucleoplasm and cytoplasm name proposed by E. Strassburger . Chemical composition of nucleoplasm given by Kossel . Co

Describe population and the frequency of the melanics, In one study of a he...

In one study of a heavily polluted area near Birmingham, England, a researcher observed a frequency of 87% melanic Biston betlularia. Calculate the frequency of the dominant allele

Define the bioavailability of cyanocobalamin, Define the Bioavailability of...

Define the Bioavailability of cyanocobalamin? Vitamin B 12 is widely available. Availability is more from non-vegetarian foods as described earlier under the food sources sec

Biochemical changes associated with senescence, Biochemical Changes Associa...

Biochemical Changes Associated with Senescence When senescence begins many physiological and biochemical changes take place. For example, one of the important changes observed

Slim mold, what is the cycle of slime moldand thier structure

what is the cycle of slime moldand thier structure

Lamellar models, LAMELLA R MODELS According to James Danielly & Hu...

LAMELLA R MODELS According to James Danielly & Hugh Davson (1935) cell membrane consists of 4 layers P-L-L-P. Molecules of phospholipid has amphipathic nature, i.e. it

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