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The pituitary (or the hypophysis) is a gland located at the base of the encephalon. It's composed of three lobes: the anterior lobe, the intermediate lobe and the posterior lobe. These lobes produce hormones...

Carbon dioxide and water. When glucose is taken up by the cells, the mitochondria in the cells break down the glucose into molecules of energy that can be used by the cells called ATP. To make ATP from gluco...

Red blood cells are vital for us to stay alive as they carry out an extremely important role in our body - oxygen transport. Red blood cells are the carrier of oxygen around our body in the blood stream, and...

Homeostasis is the maintenance of a constant internal environment within the body . This sounds quite confusing but don’t panic – in simpler terms, homeostasis is the process which works to keep the conditio...

Bacteria are small living microorganisms that vary in shape and size. Similar to plants cells they contain a cell wall, however, they do not have a nucleus. Instead their genetic information is carried in et...