★ Endocrine System Quiz
A hormone is
A. a chemical substance produced by a gland and carried by the lymph.
B. an enzyme produced by a gland and carried by the blood.
C. a chemical substance produced by an organ and carried by the blood.
D. a chemical substance produced by a gland and carried by the blood.
Select your answer:
Topics:
Hematologic System Carbohydrates Discovery of DNA Pathology Human Urinary System Nervous System/Endocrine System Disease, Illness and Sickness Excretory System Infection Types of Immunity Health Systems AEMT EMS Systems The Cell Cycle & Cancer Circulation of Blood Inflammation and Tissue RepairOther quiz:
Immunology: T cell Development › ViewWhich of the following about the thymus is true?
A. the thymus begins to degenerate at the age of 25
B. the thymus begins to degenerate at the age of 1
Musculoskeletal System › View
Which one is voluntary muscle?
A. Cardiac
B. Smooth
C. Skeletal