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The kidney is able to filter blood as it is made up of about a million filtering units. These units are called nephrons which are assosiated with capillaries. The blood flows to the glomerulus, which is a...

To start, it is important to have a clear understanding of what an enzyme is. An enzyme is a biological molecule which speeds up the rate of a reaction without being changed or used up in the process. Eac...

Aerobic respiration requires oxygen from the air, whereas anaerobic respiration does not. Aerobic produces Carbon dioxide and water, and the carbon dioxide exits through a gas exchange system in humans. A...

A virus is an example of a pathogen. Pathogens also include bacteria, fungi or protists, and all are capable of causing infectious disease. Viruses are very small, much smaller than bacteria. They consist...

the points you need to get accross here are;

-on a warm day, there will be more evaporation from the plant,

-therefore the guard cells will close around the stomata so that the plant will no...