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.
Year-round warm weather and sunshine make Grenada a great destination during any month. Like most Caribbean islands, Grenada's summer-like climate experiences few variations. The biggest seasonal change is during the rainy season. Weather on Grenada varies according to altitude.ainfall varies each year, and showers show up in short bursts, so travelers shouldn't be discouraged from visiting during the summer. Grenada lies on the edge of the hurricane belt, so the island can be affected by bad weather and storms.