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Basic Science

ENVIRONMENTAL POLLUTION

Pollution occurs when pollutants contaminate the natural surroundings; which brings about changes that affect our normal lifestyles adversely. Pollution is the introduction of contaminants into the environment that cause harm or discomfort to humans or other living organisms, or that damage the environment which can come in the form of chemical substances, or energy such […]

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Basic Science

RENEWABLE ENERGY

Energy is the amount of force or power when applied can move one object from one position to another or Energy defines the capacity of a system to do work. Energy exists in everybody whether they are human beings or animals or non living things for e.g.: Jet, Light, Machines etc.   What are the

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Basic Science

ENERGY

Energy is the amount of force or power when applied can move one object from one position to another or Energy defines the capacity of a system to do work. Energy exists in everybody whether they are human beings or animals or non living things for e.g.: Jet, Light, Machines etc.   SOURCES OF ENERGY

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Basic Science

HIV/AIDS

HIV/AIDS COUNSELLING AND TESTING VCT stands for voluntary counseling and testing.  VCT is when a person chooses to undergo HIV/AIDS counseling so that they can make an informed decision about whether to be tested for HIV.  The government is encouraging all of us to come forward to be tested for HIV.  it believes that if many

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Basic Science

HIV/AIDS

DEFINITION OF STI /HIV/AIDS STIs means sexually transmitted infections. HIV stand for Human Immunodeficiency Virus while AIDS stands for Acquired Immune Deficiency Syndrome. HIV is the virus that causes AIDS. HIV destroys the body defence system while AIDS is the name given to the condition that occurs when HIV has weakened the body’s immune system.

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Basic Science

SEXUALLY TRANSMITTED INFECTIONS

Sexually Transmitted Infections (STIs), also known as Sexually Transmitted Diseases (STDs) or Venereal Diseases (VD) are diseases that are passed on from one person to another through sexual contact, and sometimes by genital contact – the infection can be passed on via vaginal intercourse, oral sex, and anal sex.   Modes of transmission use of

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Basic Science

IMPLICATION OF TENAGE PREGNANCY

CONSEQUENCES/IMPLICATION OF TENAGE PREGNANCY Depression may arise when a teenager is pregnant. The teen may fall into a depression while trying to handle the emotions a pregnancy creates and all of the possibly negative feedback about the pregnancy from friends and family. The fluctuating hormones that a pregnancy causes may also prompt depression. Uncertainty about

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Basic Science

HUMAN REPRODUCTION

Pregnancy symptoms: Top 11 early signs of pregnancy Food aversions Mood swings Abdominal bloating Frequent urination Fatigue Sore breasts Light bleeding or spotting Nausea A missed period High basal body temperature Positive home pregnancy test   GROWTH OF THE FOETUS One month pregnant; Your baby is an embryo consisting of two layers of cells from

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Basic Science

HUMAN REPRODUCTION

Meaning of menstruation Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The first period usually begins between twelve and fifteen years of age, a point in time known as menarche. However, periods may occasionally start as

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Basic Science

REPRODUCTIVE SYSTEM

Reproductive System is a term applied to the group of plant or animal organs that are necessary for or that are accessory to the reproductive processes. Reproduction, process whereby all living organisms produce offspring. Reproduction is one of the essential functions of plants, animals, and single celled organisms, as necessary for the preservation of the

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Basic Science

CHEMICAL SYMBOLS AND FORMULAE

SYMBOL SOFELEMENT An element is a substance which consists of only one kind of matter Over 100 elements are known, these elements are usually represented by symbols instead of writing their names in full. The abbreviation for each element is called Symbol for that element. The brief name of that element it represents also one

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Basic Science

THE CIRCULATORY SYSTEM

Blood Components and Functions Blood is a liquid connective tissue, which is maintained in constant circulation round the body. In certain organisms, blood flows within a closed system of inter connecting vessels while the reverse holds in other organisms. The human blood is of PH 7.4 and comprises four components: Plasma [liquid part of blood]

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Basic Science

DIGESTIVE SYSTEM

PARTS OF THE DIGESTIVE SYSTEM The digestive system consists of the alimentary canal, which is a long tube from the mouth, attached to various organs and ends at the anus. The alimentary canal is a long tube through which food substances pass, become digested (broken down), partly absorbed and the rest passed out. The alimentary

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Basic Science

SIMPLE MACHINE

Definition of Simple Machine A machine is a tool or device that makes work easier. It is defined as a tool which uses force applied (effort) at one point to overcome another resisting force (effort) at another point. Examples of machine include: a plier, the human arm, a gear, a pulley etc.   Types of

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Basic Science

SIMPLE CHEMICAL EQUATIONS

If the law of conservation of matter is to be kept, it means that there must be the same number of atoms in each half of the equation. There must be the same number of atoms in reactants and in the products.   The law of conservation of matter states that matter is neither created

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Basic Science

ABORTION

Abortion is the deliberate termination of a human pregnancy, most often performed during the first 28 weeks. It is the ending of pregnancy by removing a foetus or embryo before it can survive outside the uterus. An abortion that occurs spontaneously is also known as a miscarriage. An abortion may be caused purposely and is

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Basic Science

TEENAGE PREGNANCY

Teenage pregnancy refers to pregnancy in a girl between the ages of 10-19. Teenage pregnancy is usually unintended and unwanted. The fact that you are at pubertal age and can get pregnant physically does not mean that you are really mature to be pregnant socially, emotionally, educationally even financially. Teenage pregnancy can be dangerous for

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Basic Science

SKILL ACQUISITIONS

Meaning of Skill Acquisition A skill is a special ability acquired through training in order to do something in a better way. Skill is also defined as the ability to bring about some end result with maximum certainty an minimum outlay of time and energy. There is a different between talent and skill. Skill is

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Basic Science

HUMAN CIRCULATORY SYSTEM

It is described as a closed circulatory system in that blood is circulated round the body through a system of interconnecting blood vessels. The human circulatory system is also described as double circulation in that blood has to flow twice through the heart before one complete circulation can be made through each time it does.

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