Question: Q: The infection-fighting complement system consists of roughly 30 proteins in? Choices: - stomach acid - stool - fats - blood plasma A:
Answer: blood plasma

Question: Q: The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this? Choices: - arise innervation - complex innervation - autonomic innervation - extrinsic innervation A:
Answer: extrinsic innervation

Question: Q: What describes the amount of solute in a solution? Choices: - viscosity - solubility - frequency - tonicity A:
Answer:
tonicity