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

What are the main negative ions found in living beings, What are the main n...

What are the main negative ions found in living beings? The major anions found in living beings are the chlorine anion (Cl-), the phosphate anion (PO4--), the bicarbonate anion

Classifications of carbohydrates based on number of aldehyde, Define Classi...

Define Classifications of carbohydrates based on number of aldehyde? Classification based on the presence of aldehyde or ketone group Carbon atoms Aldos

Photoorganoheterotrophs, photoorganoheterotrophs why don''t use light for p...

photoorganoheterotrophs why don''t use light for photosynthesis?

What is oral rehydration therapy, Q. What is Oral Rehydration Therapy? ...

Q. What is Oral Rehydration Therapy? Oral Rehydration Therapy (ORT) refers to providing fluids and/or oral rehydration salt solutions to the patient. An oral rehydration soluti

Cattle and buffalo diseases, C a ttle and buffalo diseases Rinderpes...

C a ttle and buffalo diseases Rinderpest: Rinderpest is the most destructive of the virus diseases of cloven-footed animals, viz. cattle, buffaloes, sheep, goats, pigs and

What type of light-sensitive cell is present in this region, a) Which regio...

a) Which region of the retina gives the most accurate interpretation of the image? b) What type of light-sensitive cell is present in this region?   (a) The fove

Can you illustrate compensation point, Q. What is compensation point? What ...

Q. What is compensation point? What is the inference of the compensation point for the plant growth? The photic compensation point is the photic energy intensity under which ae

Determine about the prokaryotes and eukaryote cell, Determine about the pr...

Determine about the prokaryotes and eukaryote cell The eukaryotic cells, on the other hand, have a true nucleus wherein the genetic material, DNA is enclosed within a well-def

Procedure for testing vanaspati and rancidity in ghee, Procedure for testin...

Procedure for testing Presence of Vanaspati and Rancidity in Ghee? Carry out the steps enumerated herewith for conducting this exercise. For Vanaspati Checking: 1. Take 5

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