Some bacteria can fight other harmful bacteria’s and some bacteria’s are harmful to the body.
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Answer: Schizophrenia
Explanation:
Evidence suggests that Significant increase in infectious pathogens which causes rubella, influenza or toxoplasmosis in pregnancy (with an increase in these makers; cytokines and interleukin 8) contribute to schizophrenia in pregnancy.
