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The Hypothalamic-pituitary axis is the regulating center of our endocrine system.
Donating blood can save lives, since patients often need various blood products for their recovery.
The eye is one of our most important sense organs. When stimulated by light, electric...
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx...
Olfactory receptors produce electric signals when stimulated by odors.
Flat feet, or fallen arches, may cause a number of health problems.
The heart generates the electrical impulses necessary for its own operation. The graphic...
The limbic system plays an important role in forming emotions and in learning.