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

Dna replication in bacteria, The DNA replication is a biological procedure ...

The DNA replication is a biological procedure which happens in all living organisms and copies their DNA; it is the basis for biological inheritance. The process will starts when o

Enumerate implant materials with their pros and cons, Enumerate different i...

Enumerate different implant materials with their pros and cons Biomaterials fall into four categories: metal and metal alloys, ceramics (carbon included in this group) syntheti

Long-day plants (ldp) - plant responses to light-dark cycles, Long-Day Plan...

Long-Day Plants (LDP) - Plant Responses to Light-Dark Cycles The definition of this is exactly opposite to short-day plant. That is those plants which flower when given more t

Reproductive isolation, REPRODUCTIV E ISOLATION - According to the bio...

REPRODUCTIV E ISOLATION - According to the biological species concept, members of one species are reproductively isolated from members of all other species. Accordingly, re

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

Lactose intolerance - modification of carbohydrate intake, Define Lactose i...

Define Lactose intolerance - Modification of carbohydrate intake? This has been covered under the section on digestion and absorption earlier. We learnt that in case of lactose

Acetylcholine - long term potentiation, Acetylcholine, a well known neurotr...

Acetylcholine, a well known neurotransmitter, plays a critical synaptic role in the initial formation of memory. Chemical blockage of the acetylcholine receptors makes it harder to

Name the three main arthropod classes, How are the three main arthropod cla...

How are the three main arthropod classes characterized according to the body division? In crustaceans and arachnids the head is fused with the thorax forming the cephalothorax.

Meiosis, Meiosis is the special type of cell division in which the numbers ...

Meiosis is the special type of cell division in which the numbers of chromosomes in daughter cell are reduced to half, as compared to parent cell. Occurrence: It takes place

Artificial inspiration, Artificial Inspiration : a. After artificial exp...

Artificial Inspiration : a. After artificial expiration, the rescue worker should slowly release the pressure on the back of the victim. b. This will cause the chest cavity t

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