Useful substances, including water, glucose, ions, and amino acids, are reclaimed and returned to the blood during tubular secretion
Indicate whether the statement is true or false
FALSE
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The membrane that lines the digestive, respiratory, urinary, and reproductive tracts consists of
A. areolar and dense irregular connective tissue B. areolar tissue and lamina propria C. epithelium and lamina propria D. simple squamous epithelium and areolar tissue E. simple squamous epithelium and dense irregular connective tissue
Salt was added to a beaker of distilled water (the water was not stirred). A sample taken from the bottom of the beaker was found to be 20% salt. At the same time, a sample taken from the top of the beaker was found to be 2% salt. After 24 hours
A. the samples would still be 2% and 20% respectively. B. the difference in the percentage of salt between the top and bottom samples would increase. C. the salt would float to the top. D. the percentage of salt in the top and bottom samples would be approximately equal. E. None of the choices are correct.
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
The heart is
a. sympathetically innervated via cardiac nerve fibers b. parasympathetically innervated by vagus nerve fibers c. only partly innervated by the somatic nervous system d. innervated by only the sympathetic division of the autonomic nervous system e. both a and b