★ 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:
Body Systems Transportation and Excretion History of Medicine STNA (State Tested Nursing Assistant) Trauma Surgery Gaseous Exchange in Humans Pain Pathophysiology Infection Blood Pressure Immune Cells Faction Immunisation Lungs The Brain Our Control Center Vision and Light Weight ManagementOther quiz:
Factors that Affect Health and Wellness › ViewLifestyle behaviors can become risk factors for illness or disease
A. TRUE
B. FALSE
Speed, Flexibility part of Components of Physical Fitness › View
How to improve your cardiovascular endurance?
A. lifting weights
B. running
C. stretching
D. eating