The Upper Section of the Pharynx Is Called The

question 82

Multiple Choice

The upper section of the pharynx is called the:

• A)oropharynx.
• B)nasopharynx.
• C)laryngopharynx.
• D)hypopharynx.

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Definitions:

Protonephridia

The flame-cell excretory organs of flatworms and some other simple invertebrates.

Flatworms

A phylum of simple, often parasitic worms characterized by a flat body, including planarians, tapeworms, and flukes.

Cylindrical Worms

Cylindrical worms generally refer to nematodes or roundworms, which have elongated, cylindrical bodies and inhabit a variety of environments.

Phylum

A taxonomic ranking in biology that comes below Kingdom and above Class, used to group organisms that share a basic body plan.