The ____ Are Air-Filled Respiratory System Structures Common in Insects

question 25

Multiple Choice

The ____ are air-filled respiratory system structures common in insects.

• A) gills
• B) tracheal tubes
• C) lungs
• D) integumentary surfaces
• E) air sacs

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Definitions:

Stressful

Describing situations, events, or conditions that cause psychological or physical strain and tension.

Widows

Women whose spouses have died and who have not remarried.

Widowers

Are men who have lost their spouse through death and have not remarried.

Remarry

To remarry means to enter into marriage again after the termination of a previous marriage, whether through divorce, annulment, or the death of a spouse.