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For the heart to pump efficiently the control of contraction of its atrium and ventricles needs to be coordinated. Electrical signal starts at the sinoatrial (SA) node, also known as the pacemaker node. T...

The pituitary (or the hypophysis) is a gland located at the base of the encephalon. It's composed of three lobes: the anterior lobe, the intermediate lobe and the posterior lobe. These lobes produce hormo...

On average neurones in the body have a resting membrane potential (RMP) of -70mv. What this means is when inactive/ not excited, the inside of neurone is more negative than the outside of the neurone this...

Genetic diseases with an X-linked recessive inheritance pattern usually affect only the males in a family. These diseases are inherited via mutations on the X chromosome. Females have two X chromosomes an...