The primary pump in chambered hearts is called the __________
Fill in the blank with the correct word.
Answer: Ventricle
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Which region of the diencephalon contains the pineal body?
A. Midbrain B. Hypothalamus C. Epithalamus D. Corpora quadrigemina
Proteins in cells can act as important buffer systems. If intracellular pH rises, certain ________ of proteins can ________ H+ to return pH to normal conditions.
A. amino acids; accept B. nucleotides; donate C. nucleotides; accept D. amino acids; donate
Which of the following statements accurately describes electrons?
A. They are found inside the nucleus and have a negative charge. B. They are found inside the nucleus and have a positive charge. C. They are in orbitals outside the nucleus and have a positive charge. D. They are in orbitals outside the nucleus and have a negative charge.
What cell type does number 4 indicate? 
A. Oligodendrocyte B. Ependymal cell C. Satellite cell D. Neurolemmocyte E. Microglial cell