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Health, its causes and prevention:
Health is defined as complete physical, mental and social well being.
Fectors affecting healt
Infectious diseases:
These are further divided into five classes:
1) Bacterial infectious diseases: For example; typhoi
Human digestive system:
Body parts including mouth from where food enters, digestive organs & elimination organs in digestive system are collectively called alimentary system or alimentary canal.
It has 4 layers:-
1
Human Immune system: Components of immune system:-
Lymphoid organs
Immune cells
Human male reproductive system:
The male reproductive system consist of the following:
Primary sex organs: Testis
Human genome project:
The total cost of the project was 9 billion US dollars and this project was a 13-year project by the U.S. D
Types of diseases in human beings:
An abnormal condition of the body or mind that causes discomfort to us is called disease.
Transgenic animals:
Animals that have had their DNA manipulated to possess and express an extra gene are known as transgenic animals
Auto immune diseases:
Memory-based acquired immunity in higher vertebrates in which one cannot be able to differentiate foreign organisms fro
Human female reproductive system:
The female reproductive system consist of following:
Primary sex organs: Ovary
Spermatogenesis:
The process of formation of sperm from diploid spermatogonia is called spermatogenesis.
Proces
Non infectious diseases:
AIDs and Cancer are explained below:
Human heart:
Human heart is divided into different chambers internally. 1 or 2 auricles and 1 or 2 ventricles, these are called true chambers. Study of heart is called cardiology.
(1) Fishes have a heart with 2 chambers (
Oogenesis:
The process of formation of mature female gamete in the ovary of females is called oogenesis.
Human Excretory System:
Antibody:
Each antibody molecule has four peptide chains, two small called light chains and two longer
Drugs and alcohol abuse:
When drugs and alcohol are taken for purposes other than medicinal level and their amount is vey high that it impare someo
Immunity:
The ability of the host to fight the disease-causing organisms through immune system is called immunity.
Immunity
Cardiovascular disease:
CAD (Coronary artery diseases): Also called arteriosclerosis. It affects the vessel
Pregnancy:
Some finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine
Menstruation cycle:
The reproductive cycle in the female primates (e.g. monkeys, apes and human beings) is called m
A pair of eyes are organs of sight. Ophthalmology is the study of structure, function and disease of rye. They are located in orbits (bony cavities). Of skull.
Human respiratory system:
Firstly, Nose which has two external nostril opening. It leads to nasal chamber which further leads to naso-
VITAMINS
Vitamins may be defined as a group of biomolecules (other than fats, carbohydrates and proteins) which are required in small amounts for n
Prevention and control of infectious diseases:
Maintenance of personal and public hygiene is very important for prevention and control of man
Vaccination and immunization:
Vaccination is a preparation of antigenic proteins of pathogen or inactivated or weakened pathogen (vaccine) an
Prevention and control:
Avoid undue peer pressure.
Help and support from family.
A way to addiction cente
Addiction and dependence:
A dependable attachment to any thing, which causes mood swings, and
Effects of drugs:
For those who take drugs intravenously develop a risk of A
Difference between Active and passive immunity:
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