The End of All Vital Functions, Including Heartbeat and Respiration

question 3

Multiple Choice

The end of all vital functions, including heartbeat and respiration, is known as:

• A)functional death
• B)cellular death
• C)cardiac death
• D)brain death

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Definitions:

Tube Feet

Small, flexible, hollow appendages used mostly for movement and feeding by echinoderms, such as sea stars and sea urchins.

Water Pressure

The force exerted by water on the surrounding environment, which increases with depth and is a critical factor in aquatic ecosystems and engineering.

Radial Symmetry

A form of symmetry in which body parts are arranged around a central axis, seen in organisms like jellyfish and sea urchins.

Sponges

Simple aquatic animals of the phylum Porifera, characterized by a porous body and a rudimentary structure, feeding by filtering water through their bodies.