Search over 10,000 free study notes

Firstly, depolarization of the neuronal membrane occurs. This is due to a stimulus which causes voltage-gated sodium ion channels to open, allowing sodium ions to diffuse down their concentration gradient...

The Endocrine part of the Pancreas is the Islets of Langerhans which contain alpha and beta cells. These cells secrete hormones directly into the blood. The alpha cells secrete glucagon and the beta cells...

First, the blood enters through the right and left atria. The atrioventricular valves are closed, so the blood pools up inside them. Then, the sinoatrial node (SAN) sends a pulse for the atria to contract...

Approaching unseen essay questions, and planning essays within the exam time constraints, can seem really intimidating. However having a sturdy planning method will allow you to attack any question with c...

Firstly I would teach students the difference between denotation and connotation- denotation being the physical contents of the poster, (colour, composition, text etc. ), connotation being the assumptions...