Lymph moves throughout the lymph vessels due to

a. action of the heart.
b. conscious actions.
c. constriction of blood vessels.
d. dilation of blood vessels.
e. skeletal muscle and breathing movements.


E

Biology & Microbiology

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Tubular secretion occurs in the region labeled

a. 1. b. 2. c. 3. d. 4. e. as none of these.

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Most prokaryotic cells are no wider than

a. 0.01 micrometers. b. 0.10 micrometers. c. 0.50 micrometers. d. 1.00 micrometers. e. 10.00 micrometers.

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Cells that die of injury usually swell and then burst. Their contents are released into the extracellular fluid. This form of cell death is referred to as

A. encoded death. B. induction. C. toti-latency. D. necrosis. E. apoptosis.

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Pollen eliminated the need for ________ in plant reproduction

Fill in the blank(s) with correct word

Biology & Microbiology