The human circulatory system is composed of a network of arteries, veins, and lymphatic vessels
that carry blood and lymph throughout the body.
An essential task by which the circulatory system
helps the body maintain homeostasis is
A. distributing white blood cells that attack disease
across different organs.
B. destroying harmful toxins.
C. breaking down inorganic substances that can be
used by different organs.
D. causing the growth of muscles.