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A synapse is a gap between neurons that allows communication between different neurons using chemical messengers or neurotransmitters. Let's start simple and describe the...

The body does this through the process of negative feedback. Thermoreceptors detect the decrease in temperature, and send a signal (via sensory neurones) to the temperature-regulating centre in hypothalam...

Osmosis can be defined as "the movement of water from an area of high water concentration to an area of low water concentration across a selectively permeable membrane". What this means, is that...

During exercise, blood glucose concentration falls due to the increased energy demand and glucose uptake of skeletal muscles. This fall in glucose concentration is detected by the alpha and beta cells in ...

Deoxyribonucleic acid (DNA) is the hereditary material in almost all organisms and is responsible for carrying out genetic instructions in the cell. DNA is a polymer of nucleotides and each nucleotide has...