The nervous system interacts with other systems becuase your endocrine system works closely with the brain to control hormones and enzymes. Your digestive and excretory systems work with the brain in both concious and unconscious ways. HOPE I HELPED
If only 50% of weight genes are transferred as seen in 0.5 probability then the ideal weight will be 14 grams (9 grams from first and 5 grams from the 2nd and so... ). But due to the genetic anomalies the range should be taken as 13-15 grams with a confidence interval of 95%...
Flemming found that the growth of bacteria Staphylococcus aureus is inhibited by fungus Penicillium notatum . Then he isolated antibiotic penicillin from that .