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Haemophilia is a sex-linked genetic recessive disease, meaning it is associated with a gene located on the X chromosome. As males have only one X chromosome, inheriting that chromosome will mean that they...

Our heart can be divided into a left and right side, each containing two chambers: an atrium and a ventricle. Low pressure blood flows into the atria and is pumped out of the ventricles (high pressure); t...

Diaphragm contracts which causes it to move downwards/become flatter

When the nerve impulse arrives, it stimualtes the opening of Voltage Gated Calcium channels in the sarcoplasmic reticulum. This means Calcium is released into the sarcoplasm where is can bind to troponin ...

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...