Human Skin
When the body is cold 1. The small capillaries near the surface of the skin constrict (vasoconstriction) so less blood …
Brain and Nervous Systems
1. Cerebrum – (consisting of the two cerebral hemispheres) A small part of the cerebrum determines what we hear. Another section interprets …
Leaching and Eutrophication
Leaching describes the “washing out” from soils any soluble chemicals that are not “bound” to the soil particles. It occurs …
Pollution
The impact of human activities on the earth has become noticeable and significant during the last century resulting from: Increasing …
Diffusion
Diffusion is the seemingly random movement of a substance from where these particles are in high concentration to where there …
Genetic Terminology
DNA The molecule which contains genes. It’s shaped like a double helix (a spiral) Chromosomes Found in the cell nucleus: …
Cells, Tissues and Organs
This section lists pretty much everything to do with living cells, which includes tissues and organs. Have fun revising everything …
Classification of Living Things
Living things are grouped into 1 of 5 kingdoms which are as follows: Animals Plants Fungi Protista Monera The list …
Life Processes
Remember these tricky processes by the witty little phrase: “MRS NERG”. It’s weird, but hopefully, that’ll make you remember it! …
Mitosis
Between divisions, a copy of each chromosome is made. The chromosomes then start to become visible. The centrioles separate and …