Examlex
Every year,about ___________ women in the United States have babies without receiving adequate prenatal health care.
Cardiovascular
Relating to the heart and blood vessels and their functions in circulating blood throughout the body.
Negative Feedback
A regulatory mechanism in which a stimulus causes an opposite output in order to maintain an ideal level of whatever is being regulated.
Effector
A muscle, gland, or organ that responds to a stimulus from the nervous system by producing a specific effect or action.
Receptor
Structural protein or glycoprotein molecule on the cell surface or within the cytoplasm that binds to a specific factor (chemical signal).
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