flap of tissue called the __________ directs air through the __________, the opening to the __________
(windpipe). Fill in the blank(s) with the appropriate word(s).
ANSWER: epiglottis; glottis; trachea
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In addition to the promise of disease therapies, the uses of stem cells in medical research include the study of how _____
a. diseases develop and progress before phenotypes are visible b. Huntington Disease progresses in its latest stages c. to engineer animal models for human disease d. to harvest multipotent cells from human blastocysts e. to fertilize human eggs in vitro
The main source of light in the deep sea is:
a. the sun. b. bioluminescence. c. underwater volcanoes. d. dinoflagellates. e. anglerfish.
How does cell volume affect nutrient exchange between the cell and its external environment?
a. Very large cells are the best adapted for nutrient exchange. b. Very small cells are the best adapted for nutrient exchange. c. Nutrient exchange is not impacted by cell volume. d. The ratio of cell volume to surface area determines the efficiency of nutrient exchange. e. Cells with a large volume and small surface area are well-adapted for nutrient exchange.
Is it possible that a type 1 diabetic could be hypoglycemic?
A. No B. Yes