Select your answer:
Topics:
Circulation and Excretion Careers in Health Care Diversity Population Ecology Respiratory and Urinary Cell Review DNA and Polypeptide Synthesis Genetics: Viruses and Bacteria Joints and Range of Motion Parts of the Body Nutrient Cycling Nutrition, Neuroscience & Mental Health Homeostasis and Disease Body Fluids & Circulation Sense of SightOther quiz:
Biology › ViewBacteria that are harmful to people are called _____.
A. Pathogens
B. Antibodies
C. Lymphocytes
D. Lactobacillus
Pharmacology › View
Which neurotransmitter is known to increase digestive activity?
A. Acetylcholine
B. GABA
C. Serotonin
D. Dopamine