Effect of smoking on body, Biology

EFFECT ON BODY -

1.       CANCER -

Benzpyrene present in tobacco is carcinogenic, responsible for lung cancer. Tobacoo chewing also produce oral cancer.

Smoking mutates the critical gene P53 which helps protect the body from cancer.

2.       CARDIOVASCULAR DISEASES -

Nicotine influences adrenaline which increases B.P., heart beat.

Smoking damages mitral valve.

Smokers are not eligible for kidney or liver transplants.

3.       COUGH AND BRONCHITIS -

Nicotine paralyses the cillia of the bronchi & this causes deposition of tar. Bronchitis may lead to asthma.

4.       EMPHYSEMA -

Irritating smoke may break down the alveoli reducing surface for exchange of gases.

5.       REDUCED O TRANSPORT -

CO2 reduced Ocarring capicity of Hb.

6.       GASTROINTESTINAL DISORDERS -

Smoking increases the secretion of gastric juice.

It may cause ulcers.

7.       May cause pulmonary tuberculosis.

8.       Smoking decreases immunity of body.

9.       It may damage nervous system.

10.     Heavy smoking causes obstruction of b.v. supplying the legs and feet. Lack of blood supply leads to gangrene (thrombo angilis obliterans or buerger's disease).

11.     Deterioration in blood vessels of penis caused by smoking may lead to impotency.

12.     Smoking can cause leprosy by damaging immunoglobulin - G.

13.     Tobacco smoking by pregnant woman leads to poor foetal growth and increases risk of abortion.

14.     In the smokers, cells of the lungs, larynx, oesophagus & even of kidney and liver show chromosomal abnormalities.

Posted Date: 10/5/2012 3:09:30 AM | Location : United States







Related Discussions:- Effect of smoking on body, Assignment Help, Ask Question on Effect of smoking on body, Get Answer, Expert's Help, Effect of smoking on body Discussions

Write discussion on Effect of smoking on body
Your posts are moderated
Related Questions
Define Factors influencing the efficiency of bioconversion? amount of provitamin A presented to the 'cell, differential conversion by stereoisomeric form, and Vit

(i)        Area uses or permit exposure to radiation should be Marked' Restricted Area 'or Radiation zone etc. (ii)        Avoid x-rays of chest and lower back in routine physic

Name two possible why the number of live bacteria cell have reached the stationary growth by 60hrs and start to die off after 12hrs?

Explain the Dark Adaptation of Vitamin A? In the early stages of VAD, the individual cannot see objects in dim light. This' phenomenon is used as a criterion for assessment in

main external morphological feature that differentiates platyhelminthes from nematodes

What is the immediate effects of exercise on the functions of the heart?

Q. What is the chemical equation of the formation of bicarbonate from water and carbon dioxide? What is the enzyme that catalyzes this reaction? The chemical equation of the ch

A dihybrid cross yields 320 F2 offspring. How many are expected to resemble the homozygous recessive parental?

Q. What is the hematopoiesis? Hematopoiesis is the formation of blood cells with other constituent elements of the blood. Q. Where does hematopoiesis occur? Hematopoies

Q. What is Sick Sinus Syndrome? Ans. When a slow resting pulse fails to accelerate normally with exercise, it has been labeled chronotropic incompetence, however, there i