The Brain Is Housed Within What Bony Structure

question 139

Multiple Choice

The brain is housed within what bony structure?

• A)cranium
• B)cranial cavity
• C)cerebrum
• D)ventricles

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Definitions:

Metanephridia

Excretory organs found in many invertebrates, such as annelids, that filter waste materials from the body fluids.

Malpighian Tubules

Excretory structures found in insects and other terrestrial arthropods that remove waste materials from the hemolymph and regulate water and salt balance.

Protonephridia

A network of dead-end tubules lacking internal openings in certain invertebrates, serving as an excretory and osmoregulatory system.

Nephridia

Excretory organs in many invertebrates, responsible for the removal of waste products from an organism's body.