What is the cause of an infectious disease?
B. environmental factors
Topics:Covid-19 Inherited & Acquired Traits Source of Food Careers in Health Care Biocomposite Healthy Living Fats And Oil Bacteria & Viruses Cells Composition of Blood and Blood Cells Prokaryotic Cells and Viruses Disease Digestive System Hygiene and Nutrition The Nervous System and The Senses
Other quiz: Endocrinology
_________________ are the chemical messengers that are secreted directly into the bloodstream.
A. Amino Acids