Biology

Biology is a natural science concerned with the study of life and living organisms. Modern biology is a vast and eclectic field composed of many specialized disciplines that study the structure, function, growth, distribution, evolution, or other features of living organisms.

                                      

The three main branches of biology are: 

1. Botany is the branch of biology which deals with the study of different aspects of plants. 

2. Zoology is the branch of biology connected with the study of different aspects of animals. Aristotle is known as the father of Zoology. 

3. Microbiology is the branch of biology dealing with the study of different aspects of microorganism. 

Here are the some other different branches of biology (or divisions of biology) and their definitions: 

Anatomy: 

Anatomy is the branch of biology that deals with the study of the structure of organisms and their parts.

Biochemistry

Biochemistry is the branch of biology concerned with the chemical and physiochemical processes that occur within living organisms.

Biophysics

Biophysics is the science of the application of the laws of  physics to biological phenomena.

Biotechnology

Biotechnology is the exploitation of biological processes such as genetic manipulation of micro-organisms for the production of antibiotics, hormones, etc.

Cell Biology

Cell biology is the study of cell structure and function, and it revolves around the concept that the cell is the fundamental unit of life.

Ecology

Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

Evolution

Evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth (Darwinism).

Genetics

Genetics is the study of genes, genetic variation, and heredity in living organisms.

Immunology

Immunology is the branch of medicine and biology concerned with immunity.

Marine Biology

Marine biology is the scientific study of organisms in the ocean or other marine bodies of water.

Microbiology

Microbiology is the study of microscopic organisms, those being unicellular, multicellular, or acellular.

The person who study biology is named: biologist.

Biologist is a scientist who studies life, specifically 

organisms and their relationship to their environment.

Generally speaking, biologists study humans, animals,

plants and bacteria to gain a better understanding of how the

body and nature works, and how external factors may 

influence each organism.

  

                                          

Finally as Oprah Winfrey said: Biology is the

least of what makes someone a mother.

Hookah Vs Cigarette

How many cigarettes equal an hour of hookah smoking?

Hookah smoke that you inhale can contain 36 times more tar than cigarette smoke, 15 times the carbon monoxide, and 70% more nicotine than one cigarette.
Hookah smokers may absorb more toxins and cancer-causing chemicals than cigarette smokers. An hour of hookah tobacco smoking is equal to smoking 40 to 400 cigarettes, depending on frequency of puffing, the depth of inhalation, and how long the hookah session lasts.

Are hookahs addictive like cigarettes?

Many people think that hookah smoking is safer than cigarette smoking. It's not. Both hookah and cigarettes contain nicotine from the tobacco, which is an addictive drug. Inhaling hookah smoke has the same addictive properties as inhaling cigarette smoke. Hookah is generally not used to get high.

What are the health risks of hookah and cigarette smoking?

People who smoke hookahs and cigarette smokers are at risk for some of the same diseases and health problems, including: lung, stomach, bladder and esophageal cancer. In addition to that heart disease, reduced lung function, decreased fertility, exposure to infections, and many many others.