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ADH, short for antiduretic hormone, is produced when the concentration of solutes in blood plasma increases - this is detected by receptors in the brain. ADH is then released into the bloodstream, where it r...

The iris controls the diameter of the pupil to accommodate for the level of light that needs to enter the eye. When an individual moves into a dark room, the pupil must dilate to allow more light to enter th...

Smoking have bad long term and short term effects on a person's health due to the harmful substances in cigarettes. Firstly, it can causes emphysema. This is when the alveoli's bubbly-like shape is reduced, ...

Photosynthesis is a process completed by plants in order to produce food for them to survive. This process occurs in a green organelle called the chloroplast, which is found in the plant cell, mostly in the ...

The ribosome acts as a translator, by binding to an mRNA and 'reading' the codon codeA codon is 3 bases on an mRNA, and each codon encodes an amino acidThe ribosome brings the tRNAs with the correct anticodo...