★ Thyroid Gland Quiz
What system does the thyroid gland belong to?
A. Endocrine
B. Digestive
C. Nervous
D. Respiratory
Select your answer:

Topics:
Laser in Medicine Tissues of The Body Fish Health Management Oral Surgery Hematology Excretion-Dialysis Eye or Nose Injuries Muscular System Vocabulary for Organisms in Ecosystems Fitness Genes, Genomes & Alleles Cardiac & Diseases of Blood Flow Microbiology Cells Circulatory and Lymphatic SystemOther quiz:
Pollution › ViewThere is nothing we can do to stop water pollution.
A. TRUE
B. FALSE
Pathogens - Bacteria and Viruses › View
Which of the following statements are true?
A. All microorganisms are bad
B. All microorganisms are good
C. Some microorganisms are harmful, while some can be helpful
D. Microorganisms are too small to do anything to anyone