★ Circulatory System and Nutrition Quiz
The lower chambers of the heart are known as…
A. valves
B. ventricles
C. atria
D. septum
Select your answer:

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Fluid Therapy › ViewThe main anion of extracellular fluid is:
A. Potassium
B. Phosphate
C. Sodium
D. Chloride
Nervous System › View
Type of neuron located only in the brain and spinal cord that pass impulses from one neuron to another.
A. Motor Neuron
B. Interneuron
C. Sensory Neuron