What is a Pathogen? June 9, 2022June 9, 2022 A pathogen is an agent that causes infection or disease. Many diseases that affect animals and plants are caused by ... Read more
Variation in living creatures June 9, 2022June 9, 2022 Variation is the term used to describe the physical differences between individuals of the same species. Humans are all part ... Read more
Vaccination and the manufacture of memory cells June 9, 2022June 9, 2022 A vaccination is where a person is provided with artificial immunity to a disease without actually ever having the disease ... Read more
Transpiration June 9, 2022June 9, 2022 Transpiration is part of the water cycle. It is the loss of water vapour from parts of a plant. The ... Read more
The structure of the human heart and its functions June 9, 2022June 9, 2022 The human heart pumps blood around the body. The wall of the heart is made of cardiac muscle, enabling it ... Read more
The respiratory system in humans June 9, 2022June 9, 2022 The human body’s cells get their energy through the process of respiration. In order to create the right amount of ... Read more
The process of respiration June 9, 2022June 9, 2022 Respiration is the chemical reaction that occurs in all living cells. It is the process involving the production of energy ... Read more
The organism in the environment June 9, 2022June 9, 2022 A habitat is the place where an organism lives. It includes the places where the organism finds food, mates, sleeps ... Read more
The human eye June 9, 2022June 9, 2022 One of the organs that we use the most to detect stimuli is the eye. With sight we can locate ... Read more
The function of the digestive system June 9, 2022June 9, 2022 The human alimentary canal, also known as the digestive tract/system, is the pathway in which food enters and leaves the ... Read more
The difference between eukaryotic organisms and prokaryotic organisms June 9, 2022June 9, 2022 Eukaryotic organisms, also known as eukaryotes, include animals, plants, fungi and protoctists. Eukaryotic organisms are normally multicellular and are defined ... Read more
The composition of blood June 9, 2022June 9, 2022 Large, multicellular animals require a circulatory system to transport substances to and from the cells in the body. The circulatory ... Read more
The changes of heart rate June 9, 2022June 9, 2022 On average, the heart beats approximately 70 times per minute. However, this rate can change according to different circumstances, for ... Read more
The biological consequences of smoking June 9, 2022June 9, 2022 A single cigarette contains thousands of different chemicals, the majority of which are harmful to the human body. Smoking affects ... Read more
Stem cells June 9, 2022June 9, 2022 Stem cells are immature cells that have the ability to renew and differentiate to form different types of cells; in ... Read more