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

Explain about the term accommodation, Explain about the term accommodation....

Explain about the term accommodation. Normally, the human eye focuses at objects at infinity, without exerting any power. This implies that while a person is observing an objec

What are important terms in accommodation and convergence, What are importa...

What are important terms in accommodation and convergence? Accommodation and Convergence In this section some important terms are included: a. How a person is able to foc

What is class polychetae - marine worms, What is Class Polychetae - Marine ...

What is Class Polychetae - Marine Worms? The polychaetes differ from the oligochaetes in several ways. The name itself suggests one of the differences. The prefix "poly" means

Discuss in brief about maxillary sinus, Discuss in brief about maxillary si...

Discuss in brief about maxillary sinus In normal conditions, the maxillary sinus maintains a close relationship with the alveolar ridge associated with second premolar and fir

What is root pressure, What is root pressure? Root pressure is the pre...

What is root pressure? Root pressure is the pressure that forces water from the soil to be absorbed by the xylem of the root. It is because of the osmotic gradient among the i

Non - pharmacological management, Great importance is being given to life s...

Great importance is being given to life style modifications because of definite benefits observed in patients who follow this. Life style changes have advantages not only in the co

What is the difference between amnion and chorion, Q. What is the differenc...

Q. What is the difference between amnion and chorion? Amnion is the membrane that covers the embryo and Chorion is the membrane that covers the amnion the allantois and the yol

Define hepatic triglyceride synthesis, Q. Define Hepatic Triglyceride Synth...

Q. Define Hepatic Triglyceride Synthesis? Fatty acid flux to the liver from adipose tissue appears to be an important determinant of hepatic triglyceride synthesis and VLDL sec

#title a&p, list all of the parts of a generalized cell that might be invol...

list all of the parts of a generalized cell that might be involved support movement coordination respiration digestion transportation excr production making proteins and reproducti

Explain nutrient and storage proteins, Nutrient and Storage proteins Th...

Nutrient and Storage proteins These proteins store amino acids. Ovalbumin is the protein of egg white, used as an amino acid source for the developing embryo. Casein, the prote

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