Rheumatoid factor (RF) is a blood test that measures the amount of the RF antibody in the blood.
Weight ranges from about 7 to 12 kilograms (15 to 26 lb) in females, and from 9 to 18 kilograms (20 to 40 lb) in males.[4] Where does a serval live? The Serval lives in Africa.
Alternative Titles: Felis serval, Leptailurus serval Serval, (Felis serval), long-limbed cat, family Felidae, found in Africa south of the Sahara, especially in grass- and bush-covered country near water. A swift, agile cat, the serval climbs and leaps very well. It is a nocturnal hunter preying on birds and small mammals such as rodents and hares.