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

Enumerate the term diagnosis of epilepsy, State the diagnosis of epilepsy ...

State the diagnosis of epilepsy A diagnosis of epilepsy is usually confirmed by an EEG. In some epileptics, however, seizures are difficult to demonstrate in this way, except u

Explain nutritional effects of hemicelluloses, Nutritional effects Of Hemic...

Nutritional effects Of Hemicelluloses Hemicelluloses are classified under the category of soluble dietary fibers.  Hemicellulose is an indigestible complex carbohydrate that ab

Define the intradermal dye test, Define the Intradermal Dye Test? The r...

Define the Intradermal Dye Test? The rate of decolouration of a small quantity of the dye, 2, 6- dichlorophenol injected intradermaly is an index of the ascorbic acid nutrition

Cardiac muscles, CARDIAC MUSCLES - The cardiac muscles are found in ...

CARDIAC MUSCLES - The cardiac muscles are found in the wall of the heart and in the wall of large veins (e.g., pulmonary veins and superior vena cava) where these veins en

Consequences of shifting the chemical equilibrium, Q. What are the conseque...

Q. What are the consequences of shifting the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water towards the increase of product (bicarbonate) format

Embryonic development, Embryonic Development The embryonic stage exte...

Embryonic Development The embryonic stage extends from the second week by the 8th week and is charactrised by formation of placenta, the development of internal organs and ap

Complications of diverticular disease, Q. Complications of diverticular dis...

Q. Complications of diverticular disease? The many complications of the disease include the 'following conditions: • A perforation (hole) in the intestine leading to perito

Can you explain radula, Q What is the radula? What is the function of this ...

Q What is the radula? What is the function of this organ? Some molluscs have a tongue-like structure with harsh saliences similar to small teeth. This structure is called as ra

What is the major biological function of ribosomes, Q Where in the cell can...

Q Where in the cell can ribosomes be found? What is the major biological function of ribosomes? Ribosomes can be found free in the cytoplasm, adhered to the external side of th

How genes can be exchanged between chromatids, Q. How Genes can be exchange...

Q. How Genes can be exchanged between chromatids? When two homologous chromosomes physically exchangecorresponding segments during prophase I of meiosis, geneticists call it cr

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