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 about the listing plane, Define about the Listing Plane Listing ...

Define about the Listing Plane Listing proposed that only horizontal movements  of  the  eye  are performed around a vertical axis  in  the equatorial plane and vertical moveme

Explain about tropical rain forests, Q. Explain about Tropical Rain Forests...

Q. Explain about Tropical Rain Forests? As you approach the equator the climate becomes increasingly hot and seasonal variation in climate decreases resulting in practically th

Explain water and electrolyte imbalance during kwashiorkor, Explain Water a...

Explain Water and electrolyte imbalance during kwashiorkor? The total body water and especially the extracellular fluid volume are increased in all forms of PEM. At the same ti

Nutition in animals, describe each and every step in nutrition in animals?

describe each and every step in nutrition in animals?

Define physiology cohesion and adhesion theory, Define Physiology: Cohesion...

Define Physiology: Cohesion & Adhesion Theory? Transport in Plants :  Transport of water, minerals and nutrients within vascular plants is dramatically different from animals

Management of asymptomatic patient, Q. Management of Asymptomatic Patient? ...

Q. Management of Asymptomatic Patient? The most common cause of death in a truly asymptomatic patient with severe aortic stenosis is aortic valve replacement (AVR). While expec

What is the purpose of dna, What is the purpose of DNA? Actually, DNA m...

What is the purpose of DNA? Actually, DNA makes you who you are. It has all your heredity info, like your hair color, your personality, etc. No two person's DNA is the similar,

What is vernalisation, What is vernalisation? How is the process of vern...

What is vernalisation? How is the process of vernalisation benefits to plants?

What kind of agent causes sars, Q. SARS is a disease that appeared in 2003 ...

Q. SARS is a disease that appeared in 2003 with epidemic features in the province of Guangdong, in east China. What kind of agent causes SARS? SARS is caused by a virus from th

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