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A synapse is a junciton between neurones. Information is passed across a synapse when a chemical neurotransmitter is released from one neurone across the synpase to the next neurone causing an electrical ...

The heart is a pump, which moves blood around your body. It has 4 areas filled with blood, called chambers and a right and left side. There are two atria and two ventricles, one of each on each side. The ...

 1. A reflex is an automatic response to a stimulus. For example: If I touch a hot plate, my hand will automatically pull away from the heat. Another example is the pupillary light reflex...

Body temperature in mammals is controlled and maintained by a small part of the brain called the hypothalamus. Information about the temperature both inside and outside of the body is det...

As temperature increases up to the optimal temperature for the enzyme, the rate of reaction will increase at a steady rate because the kinetic energy of the enzyme and substrate molecules increases, so th...