Examlex
In an experiment to study the effects of fertilizer on plants, the growth rate of the plants would be the __________ variable.
Neural Tube
Is the precursor in embryonic development to the central nervous system, which comprises the brain and spinal cord.
Digestive System
The complex series of organs and glands responsible for the digestion, absorption, and processing of food.
Circulatory System
The body's system responsible for moving blood, nutrients, gases, and wastes to and from cells, helping to fight diseases and stabilize body temperature and pH.
Pancreas
A glandular organ in the digestive and endocrine systems of vertebrates that produces hormones and digestive enzymes.
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