Geckos Are Able to Walk Up Walls and Across Ceilings

question 23

Multiple Choice

Geckos are able to walk up walls and across ceilings because of

• A)their sharp toenails that grasp surfaces.
• B)the little suction cups on their toes.
• C)the many hairs on their toes that form bonds with the wall and ceiling surface.
• D)the sticky adhesive secretions on their feet.

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Definitions:

Sexual Response Cycle

The sequence of physical and emotional changes that occur as a person becomes sexually aroused and participates in sexually stimulating activities, including phases like excitement, plateau, orgasm, and resolution.

Genitals

The reproductive organs, especially the external sex organs.

Engorged

Swollen with fluid or blood; typically refers to body parts that have filled with such to an extreme level.

Erection

The physiological response resulting in the increased blood flow to the penis, leading to its enlargement and firmness.