★ Health Quiz
hormone that triggers sleepiness and functions as antioxidant
A. ovaries
B. melatonin
C. testes
Select your answer:
Topics:
The Brain Our Control Center Dementia Genetics: Viruses and Bacteria Cells & Body Systems Proteins, Amino Acids, & Enzymes Facial & Dental Injuries Cellular Transport and Metabolism Nail Diseases and Disorders Types of Reproduction Infection History of Immunology Meiosis and intro to Genetics Anatomy - Cellular Respiration Forensic Pathology CardiologyOther quiz:
Bacteria and Viruses › ViewSpiral or corkscrew-shaped bacteria
A. coccus
B. bacillus
C. spirillum
D. prokaryote
Endocrine System › View
The “master gland” is known as the __________________.
A. thyroid gland.
B. adrenal gland.
C. pancreas.
D. pituitary gland.