HIV/AIDS
0 301 ViewsHIV/AIDS The Meaning of HIV/AIDS The Human Immunodeficiency Virus (HIV) or Acquired Immune Deficiency Syndrome (AIDS) was first…
HUMAN CIRCULATORY SYSTEM
+2 219 ViewsHUMAN CIRCULATORY SYSTEM It is described as a closed circulatory system in that blood is circulated round the…
THE CIRCULATORY SYSTEM
0 213 ViewsTHE CIRCULATORY SYSTEM Blood Components and Functions Blood is a liquid connective tissue, which is maintained in constant…
DIGESTIVE SYSTEM
+1 180 ViewsDIGESTIVE SYSTEM PARTS OF THE DIGESTIVE SYSTEM The digestive system consists of the alimentary canal, which is a…
SIMPLE MACHINE
+3 310 ViewsSIMPLE MACHINE Definition of Simple Machine A machine is a tool or device that makes work easier. It…
SIMPLE CHEMICAL EQUATIONS
+1 151 ViewsSIMPLE CHEMICAL EQUATIONS If the law of conservation of matter is to be kept, it means that there…
CHEMICAL SYMBOLS AND FORMULAE
+1 175 ViewsCHEMICAL SYMBOLS AND FORMULAE SYMBOLSOFELEMENT An element is a substance which consists of only one kind of matter…
RADIOACTIVITY
+1 282 ViewsRADIOACTIVITY Meaning of Radioactivity Radioactivity is the spontaneous disintegration or breaking down of the nucleus of an atom…
ELEMENTS, COMPOUND AND ATOMIC STRUCTURE
+1 170 ViewsELEMENTS, COMPOUND AND ATOMIC STRUCTURE Element An element is a substance which cannot be further divided into simpler…
ABORTION
0 229 ViewsABORTION Meaning of abortion Abortion is the deliberate termination of a human pregnancy, most often performed during the…