home *** CD-ROM | disk | FTP | other *** search
/ Eyewitness: Encyclopedia of Science / Mac_DorlingKindersley_EyewitnessEncyclopediaOfScience.iso / mac / LISC / WATR / WATR000P.DIB (.png) < prev    next >
Bitmap Image  |  1995-06-29  |  116KB  |  510x394  |  8-bit (193 colors)
Labels: animal | book | daily | plant | river | school newspaper | sky | tabloid | water | zebra
OCR: ATER CONTROL IN LAND ANIMALS NIMALS that live on land constantly messages to another part, the pituitary lose water from their body gland. This gland releases hormone through evaporation, and also when that adiusts the amoun wate they get rid of waste. mammals, removed from the blood by the water balance regu lated by the part kidneys. When the watet level is low of the brain called the hypothalamus the hypothalamus triggers thirsty This checks the amoun 0 water it feeling and only small amount blood flowing through 11 and sends ofconcentrated urine 16 made Replaci ing water These zebras are drinking to replace the water they bave lost They can get rid an excess their urine CONTROI constantl adjusts leve feling Replacing fany