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Homeostasis at its core simply means the maintenance of balance – the body is said to achieve homeostasis when there is there is a balance between the ever-changing external environment and the relatively co...

While atrial repolarisation exists, you actually can't see it in the ECG! I can draw you a diagram of a normal cardiac cycle: this is the P wave, that you'll know represents the DEpolarisation of the atria. ...

This is because the QRS complex on the ECG (which represents the Ventricular depolarisation) is at such a high magnitude, it masks the electrical signals that occur due to atrial repolarisation as these two ...

The pancreas contains beta cells of the Islet of Langerhans which produces a hormone called insulin. Insulin is responsible for lowering the concentration of glucose in the blood. In type 1 diabetes, not eno...

A B-cell with a specific antigen receptor will bind to a complementary antigen, when exposed to that antigen in the body. This specific complementary binding leads to that B-cell becoming activated. An activ...