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28 Sep 2019
1. The main function of the small intestine is nutrient absorption. Which of the following structural qualities of the intestine increase absorption? Select all that apply.
a. Very long tube of almost 6 meters in length when relaxed.
b. Internal wall covered with fingerlike projections.
c. Cell membrane of epithelial cells with multiple foldings.
d. Higher pH than in the stomach in part by secretion of bicarbonate.
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1. What are the advantages of an open circulatory system? Select all that apply.
a. Blood moves at high pressure to the tissues.
b. It can circulate large amounts of oxygen rapidly.
c. It is energy efficient.
d. It can be used for other purposes, such as movement.
e. Oxygenated and deoxygenated blood never mix.
1. The main function of the small intestine is nutrient absorption. Which of the following structural qualities of the intestine increase absorption? Select all that apply.
a. Very long tube of almost 6 meters in length when relaxed.
b. Internal wall covered with fingerlike projections.
c. Cell membrane of epithelial cells with multiple foldings.
d. Higher pH than in the stomach in part by secretion of bicarbonate.
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1. What are the advantages of an open circulatory system? Select all that apply.
a. Blood moves at high pressure to the tissues.
b. It can circulate large amounts of oxygen rapidly.
c. It is energy efficient.
d. It can be used for other purposes, such as movement.
e. Oxygenated and deoxygenated blood never mix.
Reid WolffLv2
28 Sep 2019
