Search over 10,000 free study notes

Cancer: what is it?

A cancer happens when cells begin to divide out of control.

Benign tumours are growths of abnormal cells which are contained in one area, usually within ...

Modes of Inheritance:

- Autosomal dominant inheritance; In this mode of inheritance you only need the abnormal gene (e.g. a dominant allele) from ...

There are two parts of the nervous system:

Central Nervous system (CNS) and Peripheral Nervous system (PNS).

- The CNS is ...

Your nervous system is divided into two parts:

- The central nervous system (CNS) which is made up of the brain and the spinal c...