What Is a Malpighian Tubule

question 124

Multiple Choice

What is a Malpighian tubule?

• A) a filamentous projection of the mantle
• B) an abdominal appendage in some arthropods that secretes silk
• C) a muscular sac used for extending tube feet in echinoderms
• D) a specialized tube in some arthropods that is used for waste processing

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Definitions:

Cardiac Muscle

A specialized form of muscle tissue found only in the heart, characterized by interconnected cells that contract rhythmically to pump blood throughout the body.

Heart Wall

The muscle and tissue structure that comprises the outer layer of the heart, including the myocardium, the epicardium, and the endocardium.

Cardiac Muscle

A specialized form of muscle tissue found only in the heart, characterized by interconnected cells that contract rhythmically and involuntarily to pump blood throughout the body.

Interstitial Fluid

This is the fluid that fills the spaces between cells, providing nutrients and removing waste.