Search over 10,000 free study notes

Metabolic rate is the speed at which chemical reactions take place in our bodies

- Running through past exam papers

- Reading, memorising, and re-writing

- Taking regular breaks

There are two main reasons that smoking can increase blood pressure:

1. Cigarette smoke contains nicotine which, once inhaled, can enter the bloodstream and cause the release of ...

The Theory of Evolution states that organisms change (evolve) over a long time (from simple life forms) due to natural selection.

Natural Selecti...