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Diaphragm contracts which causes it to move downwards/become flatter

Aerboic respiration requires oxygen wheras anaerboic respiration does not. Because of this, glucose does not fully break down, resulting in there being much less energy produced. The end products are also...

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...