★ Endocrinology Quiz
_________________ are the chemical messengers that are secreted directly into the bloodstream.
A. Amino Acids
B. Hormones
C. Lipids
D. Neurotransmitters
Select your answer:
Topics:
Genes and Cells Vascular Bacteria, Viruses, Protozoa Fungi The Brain Our Control Center Cardiovascular Adaptation Refresher Connective Tissue Skeletal Tissue Cell & Bond Cell Theory and Cell Organelles Health Unit Coordinating Hearing Impairment Parts of the Skin Digestive System and Nutrition Immunology and Serology Foodborne IllnessOther quiz:
Counseling: Fact or Myth? › ViewMental illnesses are RARE.
A. Fact
B. Myth
Innate Immunity › View
Inflammation can occur in dead tissue
A. TRUE
B. FALSE