Biology Terms & Words

Form 5
Chapter 1 : Transport
Subtopic   : Immunity

1. natural active immunity - immunity acquired upon recovery from an infectious disease.
2. acquired active immunity - immunity acquired through vaccination.
3. agranulocytes - a type of leucocyte with non-granular cytoplasm and a large spherical or bean-shaped
                               nucleus.
4. antibiotic - any chemical substance produced by certain bacteria and fungi, that is able to inhibit microbial
                      growth, or destroy microorganisms especially bacteria. E.g. penicillin
5. antibody - a globulin protein produced by lymphocytes in response to the entry of pathogens or antigens
                      in the body.
6. antigen - any foreign substance when introduced into the body, induces the production of antibody by the
                    lymphocytes. The antigens can be found on the cell surface of the pathogens.
7. antiseptic - chemical substance that prevents the production and growing of microorganism rather than
                        killing them after they had been introduced. E.g. ethanol
8. antitoxin - an antibody produced in response to the toxin in the body

Chapter 2 : Locomotion And Support

1. locomotion - the movement of whole organisms from place to place

2. skeleton - the structure that supports the body of a human or an animal

3. exoskeleton - an outer covering which is made up of rigid and strong materials such as calcium or chitin

4. endoskeleton - an internal skeleton comprising of many compenent parts of cartilage or bones

5. hydrostatic skeleton - the pressure in spaces surrounded by muscles exerted by the bodyfluids

6. axial skeleton - the main longitudinal section of the skeleton in human including the skull, the vertebral
                              column and the rib cage

7. appendicular skeleton - components of the skeleton which are attached to the axial skeleton including
                                             the pectoral girdle, the pelvic girdle, two upper limbs and two lower limbs.