The blood consists of a suspension of special cells in a liquid called plasma. In an adult man, the blood is about 1/12th of the body weight and this corresponds to 5-6 litres. Blood consists of 55 % plasma, and 45 % by cells called formed elements. The blood performs a lot of important functions.
The weather and its seasons. Grenada boasts comfortable to hot weather year round. Expect temperatures that range from 32 C during the day in summer to as low as 20 C overnight in winter.
Check the Weather in Grenada in October before you book your next holiday. This gives the best indication of the weather in October and includes figures for temperature, sunshine and rainfall. The Grenada october weather guide shown below is for St George's. 1  30Â°C max day temperature.