The ___________________________ system is made up of several glands that act in the regulation of metabolism, reproduction, water balance, and many other functions.
A. endocrine B. lymphatic C. cardiovascular D. urinary
Which large blood vessel is the first to receive most recently eaten nutrients, transporting them to the liver?
A. Portal vein B. Mesenteric vein C. Subclavian vein D. Hepatic vein
Which of the following is a feature of the lymphatic system? A. It is composed of a mucus-like substance. B. It picks up and transports dietary lipid. C. It serves to transport fat- and water-soluble vitamins to the heart. D. It funnels nutrients to the liver via a one-way pump.
Which of the following body organs produces bile?
A. Stomach B. Salivary glands C. Pancreas D. Liver
The villi of the small intestine
A. provide an enormous surface area that facilitates absorption. B. store fat-soluble vitamins. C. continuously move food through the small intestine to the colon. D. inactivate enzymes consumed with food.
In passive absorption, nutrients enter the cell A. with a carrier. B. with the expenditure of energy. C. from an area of higher concentration to one of lower concentration. D. from an area of lower concentration to one of higher concentration.
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