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 is logic of the transfusional compatibility abo blood, What is the lo...

What is the logic of the transfusional compatibility concerning the ABO blood group system? A transfusional compatibility for the ABO system takes into account the antigens pre

Describe cluster analysis, Q. Describe Cluster analysis? After making a...

Q. Describe Cluster analysis? After making a similarity table, it is then rearranged so that OTU's whose members have the highest mutual similarity are brought together. This c

Protozoa, disadvanatge of protozoa

disadvanatge of protozoa

Syngamy, Syngamy The pollen tube grows to a very limited extent in the...

Syngamy The pollen tube grows to a very limited extent in the synergid. It releases the contents either through a terminal or a subterminal pore. The contents include the two

What are the uses of squid fins, What are the uses of squid fins? Fins ...

What are the uses of squid fins? Fins are used by squids to move at low speeds. Their siphon is used when they require moving quickly.

Meiosis, Why is it necessary to have the second division in meiosis even th...

Why is it necessary to have the second division in meiosis even though cells have already been reduced to haploid number after the first division?

Explain vitamins requirement during thyphoid, Explain Vitamins requirement ...

Explain Vitamins requirement during thyphoid Vitamins : Vitamins which need to be emphasized include B complex, considering the increase  in  the energy requirement and a decr

What is the neuromuscular synapse, What is the neuromuscular synapse? N...

What is the neuromuscular synapse? Neuromuscular synapse is the structure by which the neural impulse passes from the axon of a motor neuron to the muscle cell. This structure

Why do some trees lose their green color in the autumn, Why do some trees l...

Why do some trees lose their green color in the autumn? In autumn days become shorter and nights longer therefore there is a reduction of the photosynthesis rate and some plant

Photosynthesis, photosynthesis moderates global warming, briefly explain th...

photosynthesis moderates global warming, briefly explain this statement

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