Science GK 1
NORMAL BODY TEMPERATURE 98.4F “BLOOD GROUP CALLED “”UNIVERSAL DONOR “”” O GROUP “BLOOD GROUP CALLED “”UNIVERSAL RECIPIENT “”” AB GROUP CIRCULATORY SYSTEM’S POWER SUPPLY HEART ORGAN REMOVES WASTES AND EXCESS WATER FROM THE BLOOD KIDNEY STUDY OF TWINS GEMELLOLOGY NATIONAL SCIENCE DAY FEBRUARY 28 SIGNIFICANCE OF FEBRUARY 28 ( SCIENCEContinue Reading