One of the Functional Characteristics of Life Is Excitability or Responsiveness

question 62

Multiple Choice

One of the functional characteristics of life is excitability or responsiveness. This refers to __________ .

• A) sensing changes in the environment and then reacting or responding to them
• B) indigestible food residues stimulating the excretory system
• C) the nervous system causing all living things to sometimes experience anger
• D) the necessity for all organisms to reproduce

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Definitions:

Cerebral Hemisphere

One of the two symmetrical halves of the brain, each of which has distinct functions but they work together to process complex cognitive tasks.

Visual Centers

Parts of the brain involved in processing visual information.

Corpus Callosum

A large band of neural fibers connecting the two brain hemispheres and carrying messages between them.

Gray Matter

The darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.