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.
The heart found inside of Eclipse was so much larger than other horses that it was weighed. Eclipse s great heart weighed 14 pounds, more than twice the normal weight of hearts of horses of that era approximately six pounds. Today, the normal weight of a horse s heart is 8.5 pounds.