★ Circulation and Excretion Quiz
Which of the following mechanisms are used to regulate blood pressure in the closed circulatory system of vertebrates?
A. changing force of the contraction of the heart
B. constricting and relaxing sphincters in the walls of arterioles
C. adjusting the volume of the blood in the veins
D. all the above
E. only a and b
Select your answer:
Topics:
Defence against Infectious Diseases Pulmonary Edema and CHF Nutrition and Calorific Value Wellness Vocabulary Intravenous Fluid Therapy Hematology Acute Leukemias Schizophrenia Immunology Burns and Skin Cancer Carbohydrates, Proteins and Lipids 5 Major Food Groups Circulatory System and Nutrition Proteins Urinary System and Fluid Balance Skin StructureOther quiz:
Skin Structure, Growth & Nutrition › ViewThe amount and type of pigment produced in an individual is determined by his or her ______.
A. genes
B. gender
C. sun exposure
D. age
Health and Diseases › View
Communicable disease are ones that…
A. can not be passed from organism to organism
B. can be passed from organism to organism
C. can be passed from organism to organism by direct contact only
D. can be passed from organism to organism by indirect contact only