The human lymphatic system consists of all of the following structures except the

A) thymus.
B) tonsils.
C) spleen.
D) pancreas.


Answer: D

Biology & Microbiology

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Many chronic medical conditions have been found to be associated with microbial agents.

Answer the following statement true (T) or false (F)

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Muscles exert force by

a. expanding in one direction. b. expanding in either of two directions. c. pushing in one direction only. d. pulling in one direction only. e. pushing or pulling.

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The first haploid cell in the life cycle of a plant that begins the gametophyte generation is a

a. zygote. b. gamete. c. male gametophyte. d. female gametophyte. e. spore.

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Together, all muscle types make up what percentage of the body?

a. 20 percent b. 30 percent c. 40 percent d. 50 percent e. 60 percent

Biology & Microbiology