The endocrine system is a system of ductless glands that secrete their products into the interstitial fluid.
Answer the following statement true (T) or false (F)
True
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The types of cells that are specialized to communicate with other cells and control their activities are
A. connective tissue cells. B. epithelial cells. C. muscle cells. D. neurons. E. Two of the choices are correct.
Which of the following is NOT a way angiotensin II affects the kidneys?
a) It increases GFR b) It can decrease GFR c) It enhances reabsorption of certain ions d) It stimulates the release of aldosterone e) None of these choices
A patient was tested for evidence of dehydration. Which sample would show the earliest signs?
A. Organs B. Tissues C. Cells D. Blood
The monomer of the carbohydrates is the:
A) amino acid. B) nucleotide. C) monosaccharide. D) fatty acid.